Home / 540,735,776.90-811,103,665.35-358,982,954.90

Finding the Fourth Proportional to 540,735,776.90, 811,103,665.35 and 358,982,954.90

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Solution

The fourth proportional to 540,735,776.90, 811,103,665.35 and 358,982,954.90 is: 538,474,432.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,735,776.90 : 811,103,665.35 = 358,982,954.90 : x
  2. Step 2: Convert to fraction form
    540,735,776.90/811,103,665.35 = 358,982,954.90/x
  3. Step 3: Cross multiply
    540,735,776.90x = 811,103,665.35 × 358,982,954.90
  4. Step 4: Simplify right side
    540,735,776.90x = 291,172,390,517,563,712
  5. Step 5: Solve for x
    x = 291,172,390,517,563,712/540,735,776.90
  6. Step 6: Final answer
    x = 538,474,432.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.