Home / 898,151,003.80-1,347,226,505.70-438,384,117.40

Finding the Fourth Proportional to 898,151,003.80, 1,347,226,505.70 and 438,384,117.40

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Solution

The fourth proportional to 898,151,003.80, 1,347,226,505.70 and 438,384,117.40 is: 657,576,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,151,003.80 : 1,347,226,505.70 = 438,384,117.40 : x
  2. Step 2: Convert to fraction form
    898,151,003.80/1,347,226,505.70 = 438,384,117.40/x
  3. Step 3: Cross multiply
    898,151,003.80x = 1,347,226,505.70 × 438,384,117.40
  4. Step 4: Simplify right side
    898,151,003.80x = 590,602,702,639,180,544
  5. Step 5: Solve for x
    x = 590,602,702,639,180,544/898,151,003.80
  6. Step 6: Final answer
    x = 657,576,176.10

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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.