Home / 28,472,372,486.40-42,708,558,729.60-19,160,581,382.40

Finding the Fourth Proportional to 28,472,372,486.40, 42,708,558,729.60 and 19,160,581,382.40

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Solution

The fourth proportional to 28,472,372,486.40, 42,708,558,729.60 and 19,160,581,382.40 is: 28,740,872,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,472,372,486.40 : 42,708,558,729.60 = 19,160,581,382.40 : x
  2. Step 2: Convert to fraction form
    28,472,372,486.40/42,708,558,729.60 = 19,160,581,382.40/x
  3. Step 3: Cross multiply
    28,472,372,486.40x = 42,708,558,729.60 × 19,160,581,382.40
  4. Step 4: Simplify right side
    28,472,372,486.40x = 818,320,815,263,510,822,912
  5. Step 5: Solve for x
    x = 818,320,815,263,510,822,912/28,472,372,486.40
  6. Step 6: Final answer
    x = 28,740,872,073.60

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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.