Home / 672,631,202.40-1,008,946,803.60-498,291,982.35

Finding the Fourth Proportional to 672,631,202.40, 1,008,946,803.60 and 498,291,982.35

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Solution

The fourth proportional to 672,631,202.40, 1,008,946,803.60 and 498,291,982.35 is: 747,437,973.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,631,202.40 : 1,008,946,803.60 = 498,291,982.35 : x
  2. Step 2: Convert to fraction form
    672,631,202.40/1,008,946,803.60 = 498,291,982.35/x
  3. Step 3: Cross multiply
    672,631,202.40x = 1,008,946,803.60 × 498,291,982.35
  4. Step 4: Simplify right side
    672,631,202.40x = 502,750,102,851,540,160
  5. Step 5: Solve for x
    x = 502,750,102,851,540,160/672,631,202.40
  6. Step 6: Final answer
    x = 747,437,973.53

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Double scale
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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.