Home / 1,102,291,429.20-1,653,437,143.80-666,084,656.40

Finding the Fourth Proportional to 1,102,291,429.20, 1,653,437,143.80 and 666,084,656.40

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Solution

The fourth proportional to 1,102,291,429.20, 1,653,437,143.80 and 666,084,656.40 is: 999,126,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,291,429.20 : 1,653,437,143.80 = 666,084,656.40 : x
  2. Step 2: Convert to fraction form
    1,102,291,429.20/1,653,437,143.80 = 666,084,656.40/x
  3. Step 3: Cross multiply
    1,102,291,429.20x = 1,653,437,143.80 × 666,084,656.40
  4. Step 4: Simplify right side
    1,102,291,429.20x = 1,101,329,111,807,020,288
  5. Step 5: Solve for x
    x = 1,101,329,111,807,020,288/1,102,291,429.20
  6. Step 6: Final answer
    x = 999,126,984.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.