Home / 347,754,007.80-521,631,011.70-225,310,001.40

Finding the Fourth Proportional to 347,754,007.80, 521,631,011.70 and 225,310,001.40

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Solution

The fourth proportional to 347,754,007.80, 521,631,011.70 and 225,310,001.40 is: 337,965,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,754,007.80 : 521,631,011.70 = 225,310,001.40 : x
  2. Step 2: Convert to fraction form
    347,754,007.80/521,631,011.70 = 225,310,001.40/x
  3. Step 3: Cross multiply
    347,754,007.80x = 521,631,011.70 × 225,310,001.40
  4. Step 4: Simplify right side
    347,754,007.80x = 117,528,683,976,410,416
  5. Step 5: Solve for x
    x = 117,528,683,976,410,416/347,754,007.80
  6. Step 6: Final answer
    x = 337,965,002.10

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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.