Home / 8,457,984,830.10-12,686,977,245.15-5,151,996,657.30

Finding the Fourth Proportional to 8,457,984,830.10, 12,686,977,245.15 and 5,151,996,657.30

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Solution

The fourth proportional to 8,457,984,830.10, 12,686,977,245.15 and 5,151,996,657.30 is: 7,727,994,985.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457,984,830.10 : 12,686,977,245.15 = 5,151,996,657.30 : x
  2. Step 2: Convert to fraction form
    8,457,984,830.10/12,686,977,245.15 = 5,151,996,657.30/x
  3. Step 3: Cross multiply
    8,457,984,830.10x = 12,686,977,245.15 × 5,151,996,657.30
  4. Step 4: Simplify right side
    8,457,984,830.10x = 65,363,264,358,253,961,216
  5. Step 5: Solve for x
    x = 65,363,264,358,253,961,216/8,457,984,830.10
  6. Step 6: Final answer
    x = 7,727,994,985.95

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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.