Home / 28,356,482,497.60-42,534,723,746.40-13,663,201,729.60

Finding the Fourth Proportional to 28,356,482,497.60, 42,534,723,746.40 and 13,663,201,729.60

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Solution

The fourth proportional to 28,356,482,497.60, 42,534,723,746.40 and 13,663,201,729.60 is: 20,494,802,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,356,482,497.60 : 42,534,723,746.40 = 13,663,201,729.60 : x
  2. Step 2: Convert to fraction form
    28,356,482,497.60/42,534,723,746.40 = 13,663,201,729.60/x
  3. Step 3: Cross multiply
    28,356,482,497.60x = 42,534,723,746.40 × 13,663,201,729.60
  4. Step 4: Simplify right side
    28,356,482,497.60x = 581,160,511,059,870,679,040
  5. Step 5: Solve for x
    x = 581,160,511,059,870,679,040/28,356,482,497.60
  6. Step 6: Final answer
    x = 20,494,802,594.40

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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.