Home / 402,984,812.70-604,477,219.06-147,650,003.10

Finding the Fourth Proportional to 402,984,812.70, 604,477,219.06 and 147,650,003.10

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Solution

The fourth proportional to 402,984,812.70, 604,477,219.06 and 147,650,003.10 is: 221,475,004.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,984,812.70 : 604,477,219.06 = 147,650,003.10 : x
  2. Step 2: Convert to fraction form
    402,984,812.70/604,477,219.06 = 147,650,003.10/x
  3. Step 3: Cross multiply
    402,984,812.70x = 604,477,219.06 × 147,650,003.10
  4. Step 4: Simplify right side
    402,984,812.70x = 89,251,063,268,088,368
  5. Step 5: Solve for x
    x = 89,251,063,268,088,368/402,984,812.70
  6. Step 6: Final answer
    x = 221,475,004.65

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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.