Home / 314,908,870.20-472,363,305.30-199,975,896.60

Finding the Fourth Proportional to 314,908,870.20, 472,363,305.30 and 199,975,896.60

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Solution

The fourth proportional to 314,908,870.20, 472,363,305.30 and 199,975,896.60 is: 299,963,844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,908,870.20 : 472,363,305.30 = 199,975,896.60 : x
  2. Step 2: Convert to fraction form
    314,908,870.20/472,363,305.30 = 199,975,896.60/x
  3. Step 3: Cross multiply
    314,908,870.20x = 472,363,305.30 × 199,975,896.60
  4. Step 4: Simplify right side
    314,908,870.20x = 94,461,275,498,307,024
  5. Step 5: Solve for x
    x = 94,461,275,498,307,024/314,908,870.20
  6. Step 6: Final answer
    x = 299,963,844.90

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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.