Home / 399,480,603.20-599,220,904.80-112,266,267.20

Finding the Fourth Proportional to 399,480,603.20, 599,220,904.80 and 112,266,267.20

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Solution

The fourth proportional to 399,480,603.20, 599,220,904.80 and 112,266,267.20 is: 168,399,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,480,603.20 : 599,220,904.80 = 112,266,267.20 : x
  2. Step 2: Convert to fraction form
    399,480,603.20/599,220,904.80 = 112,266,267.20/x
  3. Step 3: Cross multiply
    399,480,603.20x = 599,220,904.80 × 112,266,267.20
  4. Step 4: Simplify right side
    399,480,603.20x = 67,272,294,210,102,560
  5. Step 5: Solve for x
    x = 67,272,294,210,102,560/399,480,603.20
  6. Step 6: Final answer
    x = 168,399,400.80

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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.