Home / 427,798,922,708.10-641,698,384,062.15-229,439,632,340.10

Finding the Fourth Proportional to 427,798,922,708.10, 641,698,384,062.15 and 229,439,632,340.10

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Solution

The fourth proportional to 427,798,922,708.10, 641,698,384,062.15 and 229,439,632,340.10 is: 344,159,448,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,798,922,708.10 : 641,698,384,062.15 = 229,439,632,340.10 : x
  2. Step 2: Convert to fraction form
    427,798,922,708.10/641,698,384,062.15 = 229,439,632,340.10/x
  3. Step 3: Cross multiply
    427,798,922,708.10x = 641,698,384,062.15 × 229,439,632,340.10
  4. Step 4: Simplify right side
    427,798,922,708.10x = 147,231,041,312,455,986,774,016
  5. Step 5: Solve for x
    x = 147,231,041,312,455,986,774,016/427,798,922,708.10
  6. Step 6: Final answer
    x = 344,159,448,510.15

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Double scale
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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.