Home / 528,269,428.20-792,516,116.70-159,774,119.40

Finding the Fourth Proportional to 528,269,428.20, 792,516,116.70 and 159,774,119.40

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Solution

The fourth proportional to 528,269,428.20, 792,516,116.70 and 159,774,119.40 is: 239,695,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,269,428.20 : 792,516,116.70 = 159,774,119.40 : x
  2. Step 2: Convert to fraction form
    528,269,428.20/792,516,116.70 = 159,774,119.40/x
  3. Step 3: Cross multiply
    528,269,428.20x = 792,516,116.70 × 159,774,119.40
  4. Step 4: Simplify right side
    528,269,428.20x = 126,623,564,656,050,144
  5. Step 5: Solve for x
    x = 126,623,564,656,050,144/528,269,428.20
  6. Step 6: Final answer
    x = 239,695,045.55

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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.