Home / 310,078,600,906.20-465,117,901,359.30-260,488,778,314.20

Finding the Fourth Proportional to 310,078,600,906.20, 465,117,901,359.30 and 260,488,778,314.20

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Solution

The fourth proportional to 310,078,600,906.20, 465,117,901,359.30 and 260,488,778,314.20 is: 390,733,167,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,078,600,906.20 : 465,117,901,359.30 = 260,488,778,314.20 : x
  2. Step 2: Convert to fraction form
    310,078,600,906.20/465,117,901,359.30 = 260,488,778,314.20/x
  3. Step 3: Cross multiply
    310,078,600,906.20x = 465,117,901,359.30 × 260,488,778,314.20
  4. Step 4: Simplify right side
    310,078,600,906.20x = 121,157,993,897,148,641,443,840
  5. Step 5: Solve for x
    x = 121,157,993,897,148,641,443,840/310,078,600,906.20
  6. Step 6: Final answer
    x = 390,733,167,471.30

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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.