Home / 488,707,436.80-733,078,869.90-143,695,939.60

Finding the Fourth Proportional to 488,707,436.80, 733,078,869.90 and 143,695,939.60

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Solution

The fourth proportional to 488,707,436.80, 733,078,869.90 and 143,695,939.60 is: 215,549,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,707,436.80 : 733,078,869.90 = 143,695,939.60 : x
  2. Step 2: Convert to fraction form
    488,707,436.80/733,078,869.90 = 143,695,939.60/x
  3. Step 3: Cross multiply
    488,707,436.80x = 733,078,869.90 × 143,695,939.60
  4. Step 4: Simplify right side
    488,707,436.80x = 105,340,457,011,186,656
  5. Step 5: Solve for x
    x = 105,340,457,011,186,656/488,707,436.80
  6. Step 6: Final answer
    x = 215,549,118.10

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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.