Home / 374,620,920.15-516,965,646.63-207,364,037.16

Finding the Fourth Proportional to 374,620,920.15, 516,965,646.63 and 207,364,037.16

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Solution

The fourth proportional to 374,620,920.15, 516,965,646.63 and 207,364,037.16 is: 286,156,158.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,620,920.15 : 516,965,646.63 = 207,364,037.16 : x
  2. Step 2: Convert to fraction form
    374,620,920.15/516,965,646.63 = 207,364,037.16/x
  3. Step 3: Cross multiply
    374,620,920.15x = 516,965,646.63 × 207,364,037.16
  4. Step 4: Simplify right side
    374,620,920.15x = 107,200,083,558,226,752
  5. Step 5: Solve for x
    x = 107,200,083,558,226,752/374,620,920.15
  6. Step 6: Final answer
    x = 286,156,158.91

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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.