Home / 651,874,000.10-977,811,000.15-498,818,992.10

Finding the Fourth Proportional to 651,874,000.10, 977,811,000.15 and 498,818,992.10

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Solution

The fourth proportional to 651,874,000.10, 977,811,000.15 and 498,818,992.10 is: 748,228,488.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,874,000.10 : 977,811,000.15 = 498,818,992.10 : x
  2. Step 2: Convert to fraction form
    651,874,000.10/977,811,000.15 = 498,818,992.10/x
  3. Step 3: Cross multiply
    651,874,000.10x = 977,811,000.15 × 498,818,992.10
  4. Step 4: Simplify right side
    651,874,000.10x = 487,750,697,559,115,968
  5. Step 5: Solve for x
    x = 487,750,697,559,115,968/651,874,000.10
  6. Step 6: Final answer
    x = 748,228,488.15

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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.