Home / 886,470,564.60-1,329,705,846.90-519,138,545.40

Finding the Fourth Proportional to 886,470,564.60, 1,329,705,846.90 and 519,138,545.40

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Solution

The fourth proportional to 886,470,564.60, 1,329,705,846.90 and 519,138,545.40 is: 778,707,818.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,470,564.60 : 1,329,705,846.90 = 519,138,545.40 : x
  2. Step 2: Convert to fraction form
    886,470,564.60/1,329,705,846.90 = 519,138,545.40/x
  3. Step 3: Cross multiply
    886,470,564.60x = 1,329,705,846.90 × 519,138,545.40
  4. Step 4: Simplify right side
    886,470,564.60x = 690,301,559,169,541,120
  5. Step 5: Solve for x
    x = 690,301,559,169,541,120/886,470,564.60
  6. Step 6: Final answer
    x = 778,707,818.10

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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.