Home / 651,873,999.60-977,810,999.40-498,818,991.60

Finding the Fourth Proportional to 651,873,999.60, 977,810,999.40 and 498,818,991.60

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Solution

The fourth proportional to 651,873,999.60, 977,810,999.40 and 498,818,991.60 is: 748,228,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,873,999.60 : 977,810,999.40 = 498,818,991.60 : x
  2. Step 2: Convert to fraction form
    651,873,999.60/977,810,999.40 = 498,818,991.60/x
  3. Step 3: Cross multiply
    651,873,999.60x = 977,810,999.40 × 498,818,991.60
  4. Step 4: Simplify right side
    651,873,999.60x = 487,750,696,696,096,192
  5. Step 5: Solve for x
    x = 487,750,696,696,096,192/651,873,999.60
  6. Step 6: Final answer
    x = 748,228,487.40

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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.