Home / 5,280,876,087.80-7,921,314,131.70-1,403,482,551.80

Finding the Fourth Proportional to 5,280,876,087.80, 7,921,314,131.70 and 1,403,482,551.80

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Solution

The fourth proportional to 5,280,876,087.80, 7,921,314,131.70 and 1,403,482,551.80 is: 2,105,223,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,876,087.80 : 7,921,314,131.70 = 1,403,482,551.80 : x
  2. Step 2: Convert to fraction form
    5,280,876,087.80/7,921,314,131.70 = 1,403,482,551.80/x
  3. Step 3: Cross multiply
    5,280,876,087.80x = 7,921,314,131.70 × 1,403,482,551.80
  4. Step 4: Simplify right side
    5,280,876,087.80x = 11,117,426,171,167,717,376
  5. Step 5: Solve for x
    x = 11,117,426,171,167,717,376/5,280,876,087.80
  6. Step 6: Final answer
    x = 2,105,223,827.70

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Double scale
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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.