Home / 528,408,047.10-792,612,070.65-392,359,151.10

Finding the Fourth Proportional to 528,408,047.10, 792,612,070.65 and 392,359,151.10

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Solution

The fourth proportional to 528,408,047.10, 792,612,070.65 and 392,359,151.10 is: 588,538,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,408,047.10 : 792,612,070.65 = 392,359,151.10 : x
  2. Step 2: Convert to fraction form
    528,408,047.10/792,612,070.65 = 392,359,151.10/x
  3. Step 3: Cross multiply
    528,408,047.10x = 792,612,070.65 × 392,359,151.10
  4. Step 4: Simplify right side
    528,408,047.10x = 310,988,599,191,847,232
  5. Step 5: Solve for x
    x = 310,988,599,191,847,232/528,408,047.10
  6. Step 6: Final answer
    x = 588,538,726.65

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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.