Home / 898,727,132.95-1,240,136,030.72-496,786,585.83

Finding the Fourth Proportional to 898,727,132.95, 1,240,136,030.72 and 496,786,585.83

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Solution

The fourth proportional to 898,727,132.95, 1,240,136,030.72 and 496,786,585.83 is: 685,506,114.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,727,132.95 : 1,240,136,030.72 = 496,786,585.83 : x
  2. Step 2: Convert to fraction form
    898,727,132.95/1,240,136,030.72 = 496,786,585.83/x
  3. Step 3: Cross multiply
    898,727,132.95x = 1,240,136,030.72 × 496,786,585.83
  4. Step 4: Simplify right side
    898,727,132.95x = 616,082,944,659,966,336
  5. Step 5: Solve for x
    x = 616,082,944,659,966,336/898,727,132.95
  6. Step 6: Final answer
    x = 685,506,114.23

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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.