Home / 779,294,572.60-1,075,388,294.46-426,872,126.92

Finding the Fourth Proportional to 779,294,572.60, 1,075,388,294.46 and 426,872,126.92

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Solution

The fourth proportional to 779,294,572.60, 1,075,388,294.46 and 426,872,126.92 is: 589,062,601.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,294,572.60 : 1,075,388,294.46 = 426,872,126.92 : x
  2. Step 2: Convert to fraction form
    779,294,572.60/1,075,388,294.46 = 426,872,126.92/x
  3. Step 3: Cross multiply
    779,294,572.60x = 1,075,388,294.46 × 426,872,126.92
  4. Step 4: Simplify right side
    779,294,572.60x = 459,053,288,521,011,456
  5. Step 5: Solve for x
    x = 459,053,288,521,011,456/779,294,572.60
  6. Step 6: Final answer
    x = 589,062,601.82

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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.