Home / 347,736,013.80-521,604,020.70-225,292,007.40

Finding the Fourth Proportional to 347,736,013.80, 521,604,020.70 and 225,292,007.40

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Solution

The fourth proportional to 347,736,013.80, 521,604,020.70 and 225,292,007.40 is: 337,938,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736,013.80 : 521,604,020.70 = 225,292,007.40 : x
  2. Step 2: Convert to fraction form
    347,736,013.80/521,604,020.70 = 225,292,007.40/x
  3. Step 3: Cross multiply
    347,736,013.80x = 521,604,020.70 × 225,292,007.40
  4. Step 4: Simplify right side
    347,736,013.80x = 117,513,216,891,414,160
  5. Step 5: Solve for x
    x = 117,513,216,891,414,160/347,736,013.80
  6. Step 6: Final answer
    x = 337,938,011.10

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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.