Home / 314,986,164.60-472,479,246.90-257,543,297.40

Finding the Fourth Proportional to 314,986,164.60, 472,479,246.90 and 257,543,297.40

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Solution

The fourth proportional to 314,986,164.60, 472,479,246.90 and 257,543,297.40 is: 386,314,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,986,164.60 : 472,479,246.90 = 257,543,297.40 : x
  2. Step 2: Convert to fraction form
    314,986,164.60/472,479,246.90 = 257,543,297.40/x
  3. Step 3: Cross multiply
    314,986,164.60x = 472,479,246.90 × 257,543,297.40
  4. Step 4: Simplify right side
    314,986,164.60x = 121,683,863,199,694,720
  5. Step 5: Solve for x
    x = 121,683,863,199,694,720/314,986,164.60
  6. Step 6: Final answer
    x = 386,314,946.10

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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.