Home / 522,403,454.49-720,895,153.62-284,249,635.74

Finding the Fourth Proportional to 522,403,454.49, 720,895,153.62 and 284,249,635.74

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Solution

The fourth proportional to 522,403,454.49, 720,895,153.62 and 284,249,635.74 is: 392,252,736.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,403,454.49 : 720,895,153.62 = 284,249,635.74 : x
  2. Step 2: Convert to fraction form
    522,403,454.49/720,895,153.62 = 284,249,635.74/x
  3. Step 3: Cross multiply
    522,403,454.49x = 720,895,153.62 × 284,249,635.74
  4. Step 4: Simplify right side
    522,403,454.49x = 204,914,184,823,216,352
  5. Step 5: Solve for x
    x = 204,914,184,823,216,352/522,403,454.49
  6. Step 6: Final answer
    x = 392,252,736.96

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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.