Home / 651,874,686.60-977,812,029.90-498,819,678.60

Finding the Fourth Proportional to 651,874,686.60, 977,812,029.90 and 498,819,678.60

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Solution

The fourth proportional to 651,874,686.60, 977,812,029.90 and 498,819,678.60 is: 748,229,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,874,686.60 : 977,812,029.90 = 498,819,678.60 : x
  2. Step 2: Convert to fraction form
    651,874,686.60/977,812,029.90 = 498,819,678.60/x
  3. Step 3: Cross multiply
    651,874,686.60x = 977,812,029.90 × 498,819,678.60
  4. Step 4: Simplify right side
    651,874,686.60x = 487,751,882,485,931,584
  5. Step 5: Solve for x
    x = 487,751,882,485,931,584/651,874,686.60
  6. Step 6: Final answer
    x = 748,229,517.90

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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.