Home / 838,163,745.23-1,156,302,524.97-498,881,978.05

Finding the Fourth Proportional to 838,163,745.23, 1,156,302,524.97 and 498,881,978.05

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Solution

The fourth proportional to 838,163,745.23, 1,156,302,524.97 and 498,881,978.05 is: 688,240,805.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,163,745.23 : 1,156,302,524.97 = 498,881,978.05 : x
  2. Step 2: Convert to fraction form
    838,163,745.23/1,156,302,524.97 = 498,881,978.05/x
  3. Step 3: Cross multiply
    838,163,745.23x = 1,156,302,524.97 × 498,881,978.05
  4. Step 4: Simplify right side
    838,163,745.23x = 576,858,490,876,900,736
  5. Step 5: Solve for x
    x = 576,858,490,876,900,736/838,163,745.23
  6. Step 6: Final answer
    x = 688,240,805.16

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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.