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Finding the Fourth Proportional to 653,260,010.40, 979,890,015.60 and 592,793,834.40

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Solution

The fourth proportional to 653,260,010.40, 979,890,015.60 and 592,793,834.40 is: 889,190,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,260,010.40 : 979,890,015.60 = 592,793,834.40 : x
  2. Step 2: Convert to fraction form
    653,260,010.40/979,890,015.60 = 592,793,834.40/x
  3. Step 3: Cross multiply
    653,260,010.40x = 979,890,015.60 × 592,793,834.40
  4. Step 4: Simplify right side
    653,260,010.40x = 580,872,759,637,799,808
  5. Step 5: Solve for x
    x = 580,872,759,637,799,808/653,260,010.40
  6. Step 6: Final answer
    x = 889,190,751.60

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Double scale
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Similar ratio
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1.5x scale

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.