Home / 898,727,134.46-1,240,136,032.78-496,786,587.33

Finding the Fourth Proportional to 898,727,134.46, 1,240,136,032.78 and 496,786,587.33

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Solution

The fourth proportional to 898,727,134.46, 1,240,136,032.78 and 496,786,587.33 is: 685,506,116.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,727,134.46 : 1,240,136,032.78 = 496,786,587.33 : x
  2. Step 2: Convert to fraction form
    898,727,134.46/1,240,136,032.78 = 496,786,587.33/x
  3. Step 3: Cross multiply
    898,727,134.46x = 1,240,136,032.78 × 496,786,587.33
  4. Step 4: Simplify right side
    898,727,134.46x = 616,082,947,549,741,184
  5. Step 5: Solve for x
    x = 616,082,947,549,741,184/898,727,134.46
  6. Step 6: Final answer
    x = 685,506,116.29

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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.