Home / 979,625,956.52-1,468,896,864.95-388,817,682.41

Finding the Fourth Proportional to 979,625,956.52, 1,468,896,864.95 and 388,817,682.41

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Solution

The fourth proportional to 979,625,956.52, 1,468,896,864.95 and 388,817,682.41 is: 583,011,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,625,956.52 : 1,468,896,864.95 = 388,817,682.41 : x
  2. Step 2: Convert to fraction form
    979,625,956.52/1,468,896,864.95 = 388,817,682.41/x
  3. Step 3: Cross multiply
    979,625,956.52x = 1,468,896,864.95 × 388,817,682.41
  4. Step 4: Simplify right side
    979,625,956.52x = 571,133,074,733,818,112
  5. Step 5: Solve for x
    x = 571,133,074,733,818,112/979,625,956.52
  6. Step 6: Final answer
    x = 583,011,373.81

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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.