Home / 898,764,134.85-1,240,332,810.75-502,287,113.12

Finding the Fourth Proportional to 898,764,134.85, 1,240,332,810.75 and 502,287,113.12

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Solution

The fourth proportional to 898,764,134.85, 1,240,332,810.75 and 502,287,113.12 is: 693,177,623.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,764,134.85 : 1,240,332,810.75 = 502,287,113.12 : x
  2. Step 2: Convert to fraction form
    898,764,134.85/1,240,332,810.75 = 502,287,113.12/x
  3. Step 3: Cross multiply
    898,764,134.85x = 1,240,332,810.75 × 502,287,113.12
  4. Step 4: Simplify right side
    898,764,134.85x = 623,003,186,820,414,208
  5. Step 5: Solve for x
    x = 623,003,186,820,414,208/898,764,134.85
  6. Step 6: Final answer
    x = 693,177,623.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.