Home / 1,240,993,485.20-1,712,557,066.56-676,466,006.64

Finding the Fourth Proportional to 1,240,993,485.20, 1,712,557,066.56 and 676,466,006.64

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Solution

The fourth proportional to 1,240,993,485.20, 1,712,557,066.56 and 676,466,006.64 is: 933,515,488.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,993,485.20 : 1,712,557,066.56 = 676,466,006.64 : x
  2. Step 2: Convert to fraction form
    1,240,993,485.20/1,712,557,066.56 = 676,466,006.64/x
  3. Step 3: Cross multiply
    1,240,993,485.20x = 1,712,557,066.56 × 676,466,006.64
  4. Step 4: Simplify right side
    1,240,993,485.20x = 1,158,486,639,958,955,776
  5. Step 5: Solve for x
    x = 1,158,486,639,958,955,776/1,240,993,485.20
  6. Step 6: Final answer
    x = 933,515,488.82

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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.