Home / 8,457,984,819.60-12,686,977,229.40-5,151,996,646.80

Finding the Fourth Proportional to 8,457,984,819.60, 12,686,977,229.40 and 5,151,996,646.80

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Solution

The fourth proportional to 8,457,984,819.60, 12,686,977,229.40 and 5,151,996,646.80 is: 7,727,994,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457,984,819.60 : 12,686,977,229.40 = 5,151,996,646.80 : x
  2. Step 2: Convert to fraction form
    8,457,984,819.60/12,686,977,229.40 = 5,151,996,646.80/x
  3. Step 3: Cross multiply
    8,457,984,819.60x = 12,686,977,229.40 × 5,151,996,646.80
  4. Step 4: Simplify right side
    8,457,984,819.60x = 65,363,264,143,896,756,224
  5. Step 5: Solve for x
    x = 65,363,264,143,896,756,224/8,457,984,819.60
  6. Step 6: Final answer
    x = 7,727,994,970.20

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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.