Home / 518,870,575.68-716,057,455.71-283,931,138.40

Finding the Fourth Proportional to 518,870,575.68, 716,057,455.71 and 283,931,138.40

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Solution

The fourth proportional to 518,870,575.68, 716,057,455.71 and 283,931,138.40 is: 391,833,759.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,870,575.68 : 716,057,455.71 = 283,931,138.40 : x
  2. Step 2: Convert to fraction form
    518,870,575.68/716,057,455.71 = 283,931,138.40/x
  3. Step 3: Cross multiply
    518,870,575.68x = 716,057,455.71 × 283,931,138.40
  4. Step 4: Simplify right side
    518,870,575.68x = 203,311,008,559,547,872
  5. Step 5: Solve for x
    x = 203,311,008,559,547,872/518,870,575.68
  6. Step 6: Final answer
    x = 391,833,759.88

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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.