Home / 898,147,981.40-1,347,221,972.10-656,283,277.40

Finding the Fourth Proportional to 898,147,981.40, 1,347,221,972.10 and 656,283,277.40

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Solution

The fourth proportional to 898,147,981.40, 1,347,221,972.10 and 656,283,277.40 is: 984,424,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,147,981.40 : 1,347,221,972.10 = 656,283,277.40 : x
  2. Step 2: Convert to fraction form
    898,147,981.40/1,347,221,972.10 = 656,283,277.40/x
  3. Step 3: Cross multiply
    898,147,981.40x = 1,347,221,972.10 × 656,283,277.40
  4. Step 4: Simplify right side
    898,147,981.40x = 884,159,251,235,079,296
  5. Step 5: Solve for x
    x = 884,159,251,235,079,296/898,147,981.40
  6. Step 6: Final answer
    x = 984,424,916.10

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Double scale
Find fourth proportional to 898,147,982.40, 1,347,221,973.60 and 656,283,278.40
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.