Home / 374,620,920.28-516,965,646.80-207,364,037.29

Finding the Fourth Proportional to 374,620,920.28, 516,965,646.80 and 207,364,037.29

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Solution

The fourth proportional to 374,620,920.28, 516,965,646.80 and 207,364,037.29 is: 286,156,159.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,620,920.28 : 516,965,646.80 = 207,364,037.29 : x
  2. Step 2: Convert to fraction form
    374,620,920.28/516,965,646.80 = 207,364,037.29/x
  3. Step 3: Cross multiply
    374,620,920.28x = 516,965,646.80 × 207,364,037.29
  4. Step 4: Simplify right side
    374,620,920.28x = 107,200,083,657,062,528
  5. Step 5: Solve for x
    x = 107,200,083,657,062,528/374,620,920.28
  6. Step 6: Final answer
    x = 286,156,159.08

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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.