Home / 898,154,967.40-1,347,232,451.10-656,290,263.40

Finding the Fourth Proportional to 898,154,967.40, 1,347,232,451.10 and 656,290,263.40

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Solution

The fourth proportional to 898,154,967.40, 1,347,232,451.10 and 656,290,263.40 is: 984,435,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,154,967.40 : 1,347,232,451.10 = 656,290,263.40 : x
  2. Step 2: Convert to fraction form
    898,154,967.40/1,347,232,451.10 = 656,290,263.40/x
  3. Step 3: Cross multiply
    898,154,967.40x = 1,347,232,451.10 × 656,290,263.40
  4. Step 4: Simplify right side
    898,154,967.40x = 884,175,540,193,446,528
  5. Step 5: Solve for x
    x = 884,175,540,193,446,528/898,154,967.40
  6. Step 6: Final answer
    x = 984,435,395.10

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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.