Home / 746,502,403.60-1,119,753,605.40-315,680,899.60

Finding the Fourth Proportional to 746,502,403.60, 1,119,753,605.40 and 315,680,899.60

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Solution

The fourth proportional to 746,502,403.60, 1,119,753,605.40 and 315,680,899.60 is: 473,521,349.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,502,403.60 : 1,119,753,605.40 = 315,680,899.60 : x
  2. Step 2: Convert to fraction form
    746,502,403.60/1,119,753,605.40 = 315,680,899.60/x
  3. Step 3: Cross multiply
    746,502,403.60x = 1,119,753,605.40 × 315,680,899.60
  4. Step 4: Simplify right side
    746,502,403.60x = 353,484,825,483,015,488
  5. Step 5: Solve for x
    x = 353,484,825,483,015,488/746,502,403.60
  6. Step 6: Final answer
    x = 473,521,349.40

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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.