Home / 5,638,656,545.40-8,457,984,818.10-3,434,664,430.20

Finding the Fourth Proportional to 5,638,656,545.40, 8,457,984,818.10 and 3,434,664,430.20

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Solution

The fourth proportional to 5,638,656,545.40, 8,457,984,818.10 and 3,434,664,430.20 is: 5,151,996,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,656,545.40 : 8,457,984,818.10 = 3,434,664,430.20 : x
  2. Step 2: Convert to fraction form
    5,638,656,545.40/8,457,984,818.10 = 3,434,664,430.20/x
  3. Step 3: Cross multiply
    5,638,656,545.40x = 8,457,984,818.10 × 3,434,664,430.20
  4. Step 4: Simplify right side
    5,638,656,545.40x = 29,050,339,605,899,685,888
  5. Step 5: Solve for x
    x = 29,050,339,605,899,685,888/5,638,656,545.40
  6. Step 6: Final answer
    x = 5,151,996,645.30

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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.