Home / 476,929,807.80-715,394,711.70-149,432,681.40

Finding the Fourth Proportional to 476,929,807.80, 715,394,711.70 and 149,432,681.40

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Solution

The fourth proportional to 476,929,807.80, 715,394,711.70 and 149,432,681.40 is: 224,149,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,929,807.80 : 715,394,711.70 = 149,432,681.40 : x
  2. Step 2: Convert to fraction form
    476,929,807.80/715,394,711.70 = 149,432,681.40/x
  3. Step 3: Cross multiply
    476,929,807.80x = 715,394,711.70 × 149,432,681.40
  4. Step 4: Simplify right side
    476,929,807.80x = 106,903,350,028,710,960
  5. Step 5: Solve for x
    x = 106,903,350,028,710,960/476,929,807.80
  6. Step 6: Final answer
    x = 224,149,022.10

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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.