Home / 979,625,952.02-1,468,896,858.21-388,817,677.91

Finding the Fourth Proportional to 979,625,952.02, 1,468,896,858.21 and 388,817,677.91

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Solution

The fourth proportional to 979,625,952.02, 1,468,896,858.21 and 388,817,677.91 is: 583,011,367.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,625,952.02 : 1,468,896,858.21 = 388,817,677.91 : x
  2. Step 2: Convert to fraction form
    979,625,952.02/1,468,896,858.21 = 388,817,677.91/x
  3. Step 3: Cross multiply
    979,625,952.02x = 1,468,896,858.21 × 388,817,677.91
  4. Step 4: Simplify right side
    979,625,952.02x = 571,133,065,504,731,392
  5. Step 5: Solve for x
    x = 571,133,065,504,731,392/979,625,952.02
  6. Step 6: Final answer
    x = 583,011,367.07

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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.