Home / 557,767,270.81-835,681,321.32-391,417,970.95

Finding the Fourth Proportional to 557,767,270.81, 835,681,321.32 and 391,417,970.95

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Solution

The fourth proportional to 557,767,270.81, 835,681,321.32 and 391,417,970.95 is: 586,446,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,767,270.81 : 835,681,321.32 = 391,417,970.95 : x
  2. Step 2: Convert to fraction form
    557,767,270.81/835,681,321.32 = 391,417,970.95/x
  3. Step 3: Cross multiply
    557,767,270.81x = 835,681,321.32 × 391,417,970.95
  4. Step 4: Simplify right side
    557,767,270.81x = 327,100,687,151,889,408
  5. Step 5: Solve for x
    x = 327,100,687,151,889,408/557,767,270.81
  6. Step 6: Final answer
    x = 586,446,541.90

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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.