Home / 318,722,124,097.68-439,835,463,426.24-174,206,170,084.92

Finding the Fourth Proportional to 318,722,124,097.68, 439,835,463,426.24 and 174,206,170,084.92

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Solution

The fourth proportional to 318,722,124,097.68, 439,835,463,426.24 and 174,206,170,084.92 is: 240,403,931,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,722,124,097.68 : 439,835,463,426.24 = 174,206,170,084.92 : x
  2. Step 2: Convert to fraction form
    318,722,124,097.68/439,835,463,426.24 = 174,206,170,084.92/x
  3. Step 3: Cross multiply
    318,722,124,097.68x = 439,835,463,426.24 × 174,206,170,084.92
  4. Step 4: Simplify right side
    318,722,124,097.68x = 76,622,051,551,011,185,623,040
  5. Step 5: Solve for x
    x = 76,622,051,551,011,185,623,040/318,722,124,097.68
  6. Step 6: Final answer
    x = 240,403,931,066.70

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Double scale
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1.5x scale

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.