Home / 791,083,307.59-1,091,641,749.84-438,646,251.02

Finding the Fourth Proportional to 791,083,307.59, 1,091,641,749.84 and 438,646,251.02

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Solution

The fourth proportional to 791,083,307.59, 1,091,641,749.84 and 438,646,251.02 is: 605,302,319.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,083,307.59 : 1,091,641,749.84 = 438,646,251.02 : x
  2. Step 2: Convert to fraction form
    791,083,307.59/1,091,641,749.84 = 438,646,251.02/x
  3. Step 3: Cross multiply
    791,083,307.59x = 1,091,641,749.84 × 438,646,251.02
  4. Step 4: Simplify right side
    791,083,307.59x = 478,844,561,018,770,432
  5. Step 5: Solve for x
    x = 478,844,561,018,770,432/791,083,307.59
  6. Step 6: Final answer
    x = 605,302,319.52

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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.