Home / 942,138,403.95-1,300,273,034.00-540,408,885.87

Finding the Fourth Proportional to 942,138,403.95, 1,300,273,034.00 and 540,408,885.87

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Solution

The fourth proportional to 942,138,403.95, 1,300,273,034.00 and 540,408,885.87 is: 745,834,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,138,403.95 : 1,300,273,034.00 = 540,408,885.87 : x
  2. Step 2: Convert to fraction form
    942,138,403.95/1,300,273,034.00 = 540,408,885.87/x
  3. Step 3: Cross multiply
    942,138,403.95x = 1,300,273,034.00 × 540,408,885.87
  4. Step 4: Simplify right side
    942,138,403.95x = 702,679,101,628,042,496
  5. Step 5: Solve for x
    x = 702,679,101,628,042,496/942,138,403.95
  6. Step 6: Final answer
    x = 745,834,262.44

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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.