Home / 676,386,111,652.20-933,416,524,159.65-398,300,807,739.24

Finding the Fourth Proportional to 676,386,111,652.20, 933,416,524,159.65 and 398,300,807,739.24

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Solution

The fourth proportional to 676,386,111,652.20, 933,416,524,159.65 and 398,300,807,739.24 is: 549,657,287,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,386,111,652.20 : 933,416,524,159.65 = 398,300,807,739.24 : x
  2. Step 2: Convert to fraction form
    676,386,111,652.20/933,416,524,159.65 = 398,300,807,739.24/x
  3. Step 3: Cross multiply
    676,386,111,652.20x = 933,416,524,159.65 × 398,300,807,739.24
  4. Step 4: Simplify right side
    676,386,111,652.20x = 371,780,555,529,942,443,491,328
  5. Step 5: Solve for x
    x = 371,780,555,529,942,443,491,328/676,386,111,652.20
  6. Step 6: Final answer
    x = 549,657,287,642.70

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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.