Home / 656,884,521.18-985,300,873.98-242,182,065.60

Finding the Fourth Proportional to 656,884,521.18, 985,300,873.98 and 242,182,065.60

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Solution

The fourth proportional to 656,884,521.18, 985,300,873.98 and 242,182,065.60 is: 363,263,546.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,884,521.18 : 985,300,873.98 = 242,182,065.60 : x
  2. Step 2: Convert to fraction form
    656,884,521.18/985,300,873.98 = 242,182,065.60/x
  3. Step 3: Cross multiply
    656,884,521.18x = 985,300,873.98 × 242,182,065.60
  4. Step 4: Simplify right side
    656,884,521.18x = 238,622,200,897,961,696
  5. Step 5: Solve for x
    x = 238,622,200,897,961,696/656,884,521.18
  6. Step 6: Final answer
    x = 363,263,546.64

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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.