Home / 1,559,083,331.55-2,151,005,327.91-889,547,387.70

Finding the Fourth Proportional to 1,559,083,331.55, 2,151,005,327.91 and 889,547,387.70

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Solution

The fourth proportional to 1,559,083,331.55, 2,151,005,327.91 and 889,547,387.70 is: 1,227,273,187.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,083,331.55 : 2,151,005,327.91 = 889,547,387.70 : x
  2. Step 2: Convert to fraction form
    1,559,083,331.55/2,151,005,327.91 = 889,547,387.70/x
  3. Step 3: Cross multiply
    1,559,083,331.55x = 2,151,005,327.91 × 889,547,387.70
  4. Step 4: Simplify right side
    1,559,083,331.55x = 1,913,421,170,371,122,432
  5. Step 5: Solve for x
    x = 1,913,421,170,371,122,432/1,559,083,331.55
  6. Step 6: Final answer
    x = 1,227,273,187.81

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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.