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Finding the Fourth Proportional to 610,417,620.70, 915,626,431.05 and 586,609,063.90

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Solution

The fourth proportional to 610,417,620.70, 915,626,431.05 and 586,609,063.90 is: 879,913,595.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,417,620.70 : 915,626,431.05 = 586,609,063.90 : x
  2. Step 2: Convert to fraction form
    610,417,620.70/915,626,431.05 = 586,609,063.90/x
  3. Step 3: Cross multiply
    610,417,620.70x = 915,626,431.05 × 586,609,063.90
  4. Step 4: Simplify right side
    610,417,620.70x = 537,114,763,600,338,368
  5. Step 5: Solve for x
    x = 537,114,763,600,338,368/610,417,620.70
  6. Step 6: Final answer
    x = 879,913,595.85

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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.