Home / 65,404,402,524.38-90,274,868,884.13-42,598,370,807.53

Finding the Fourth Proportional to 65,404,402,524.38, 90,274,868,884.13 and 42,598,370,807.53

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Solution

The fourth proportional to 65,404,402,524.38, 90,274,868,884.13 and 42,598,370,807.53 is: 58,796,689,380.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,404,402,524.38 : 90,274,868,884.13 = 42,598,370,807.53 : x
  2. Step 2: Convert to fraction form
    65,404,402,524.38/90,274,868,884.13 = 42,598,370,807.53/x
  3. Step 3: Cross multiply
    65,404,402,524.38x = 90,274,868,884.13 × 42,598,370,807.53
  4. Step 4: Simplify right side
    65,404,402,524.38x = 3,845,562,339,326,928,355,328
  5. Step 5: Solve for x
    x = 3,845,562,339,326,928,355,328/65,404,402,524.38
  6. Step 6: Final answer
    x = 58,796,689,380.25

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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.