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Finding the Fourth Proportional to 907,803,350.10, 1,361,705,025.15 and 540,471,330.90

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Solution

The fourth proportional to 907,803,350.10, 1,361,705,025.15 and 540,471,330.90 is: 810,706,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,803,350.10 : 1,361,705,025.15 = 540,471,330.90 : x
  2. Step 2: Convert to fraction form
    907,803,350.10/1,361,705,025.15 = 540,471,330.90/x
  3. Step 3: Cross multiply
    907,803,350.10x = 1,361,705,025.15 × 540,471,330.90
  4. Step 4: Simplify right side
    907,803,350.10x = 735,962,527,236,038,528
  5. Step 5: Solve for x
    x = 735,962,527,236,038,528/907,803,350.10
  6. Step 6: Final answer
    x = 810,706,996.35

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Double scale
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Similar ratio
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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.