Home / 310,479,642,002.10-465,719,463,003.15-257,480,519,106.90

Finding the Fourth Proportional to 310,479,642,002.10, 465,719,463,003.15 and 257,480,519,106.90

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Solution

The fourth proportional to 310,479,642,002.10, 465,719,463,003.15 and 257,480,519,106.90 is: 386,220,778,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,479,642,002.10 : 465,719,463,003.15 = 257,480,519,106.90 : x
  2. Step 2: Convert to fraction form
    310,479,642,002.10/465,719,463,003.15 = 257,480,519,106.90/x
  3. Step 3: Cross multiply
    310,479,642,002.10x = 465,719,463,003.15 × 257,480,519,106.90
  4. Step 4: Simplify right side
    310,479,642,002.10x = 119,913,689,092,237,773,766,656
  5. Step 5: Solve for x
    x = 119,913,689,092,237,773,766,656/310,479,642,002.10
  6. Step 6: Final answer
    x = 386,220,778,660.35

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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.