Home / 1,240,944,124.88-1,712,502,474.60-684,036,472.16

Finding the Fourth Proportional to 1,240,944,124.88, 1,712,502,474.60 and 684,036,472.16

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Solution

The fourth proportional to 1,240,944,124.88, 1,712,502,474.60 and 684,036,472.16 is: 943,970,101.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,944,124.88 : 1,712,502,474.60 = 684,036,472.16 : x
  2. Step 2: Convert to fraction form
    1,240,944,124.88/1,712,502,474.60 = 684,036,472.16/x
  3. Step 3: Cross multiply
    1,240,944,124.88x = 1,712,502,474.60 × 684,036,472.16
  4. Step 4: Simplify right side
    1,240,944,124.88x = 1,171,414,151,290,653,952
  5. Step 5: Solve for x
    x = 1,171,414,151,290,653,952/1,240,944,124.88
  6. Step 6: Final answer
    x = 943,970,101.32

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Half scale
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Double scale
Find fourth proportional to 1,240,944,125.88, 1,712,502,475.98 and 684,036,473.16
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.