Home / 886,470,065.10-1,329,705,097.65-519,138,045.90

Finding the Fourth Proportional to 886,470,065.10, 1,329,705,097.65 and 519,138,045.90

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Solution

The fourth proportional to 886,470,065.10, 1,329,705,097.65 and 519,138,045.90 is: 778,707,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,470,065.10 : 1,329,705,097.65 = 519,138,045.90 : x
  2. Step 2: Convert to fraction form
    886,470,065.10/1,329,705,097.65 = 519,138,045.90/x
  3. Step 3: Cross multiply
    886,470,065.10x = 1,329,705,097.65 × 519,138,045.90
  4. Step 4: Simplify right side
    886,470,065.10x = 690,300,506,017,289,728
  5. Step 5: Solve for x
    x = 690,300,506,017,289,728/886,470,065.10
  6. Step 6: Final answer
    x = 778,707,068.85

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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.