Home / 1,122,606,000.80-1,681,358,084.40-709,357,479.20

Finding the Fourth Proportional to 1,122,606,000.80, 1,681,358,084.40 and 709,357,479.20

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Solution

The fourth proportional to 1,122,606,000.80, 1,681,358,084.40 and 709,357,479.20 is: 1,062,424,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,606,000.80 : 1,681,358,084.40 = 709,357,479.20 : x
  2. Step 2: Convert to fraction form
    1,122,606,000.80/1,681,358,084.40 = 709,357,479.20/x
  3. Step 3: Cross multiply
    1,122,606,000.80x = 1,681,358,084.40 × 709,357,479.20
  4. Step 4: Simplify right side
    1,122,606,000.80x = 1,192,683,932,382,524,928
  5. Step 5: Solve for x
    x = 1,192,683,932,382,524,928/1,122,606,000.80
  6. Step 6: Final answer
    x = 1,062,424,333.68

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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.