Home / 1,122,866,165.40-1,684,411,805.70-385,839,000.60

Finding the Fourth Proportional to 1,122,866,165.40, 1,684,411,805.70 and 385,839,000.60

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Solution

The fourth proportional to 1,122,866,165.40, 1,684,411,805.70 and 385,839,000.60 is: 578,797,177.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,866,165.40 : 1,684,411,805.70 = 385,839,000.60 : x
  2. Step 2: Convert to fraction form
    1,122,866,165.40/1,684,411,805.70 = 385,839,000.60/x
  3. Step 3: Cross multiply
    1,122,866,165.40x = 1,684,411,805.70 × 385,839,000.60
  4. Step 4: Simplify right side
    1,122,866,165.40x = 649,911,767,710,129,408
  5. Step 5: Solve for x
    x = 649,911,767,710,129,408/1,122,866,165.40
  6. Step 6: Final answer
    x = 578,797,177.92

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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.