Home / 453,440,428.80-680,160,643.20-146,763,542.40

Finding the Fourth Proportional to 453,440,428.80, 680,160,643.20 and 146,763,542.40

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Solution

The fourth proportional to 453,440,428.80, 680,160,643.20 and 146,763,542.40 is: 220,145,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,440,428.80 : 680,160,643.20 = 146,763,542.40 : x
  2. Step 2: Convert to fraction form
    453,440,428.80/680,160,643.20 = 146,763,542.40/x
  3. Step 3: Cross multiply
    453,440,428.80x = 680,160,643.20 × 146,763,542.40
  4. Step 4: Simplify right side
    453,440,428.80x = 99,822,785,397,094,480
  5. Step 5: Solve for x
    x = 99,822,785,397,094,480/453,440,428.80
  6. Step 6: Final answer
    x = 220,145,313.60

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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.