Home / 314,938,613.10-472,407,919.65-178,889,717.10

Finding the Fourth Proportional to 314,938,613.10, 472,407,919.65 and 178,889,717.10

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Solution

The fourth proportional to 314,938,613.10, 472,407,919.65 and 178,889,717.10 is: 268,334,575.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,938,613.10 : 472,407,919.65 = 178,889,717.10 : x
  2. Step 2: Convert to fraction form
    314,938,613.10/472,407,919.65 = 178,889,717.10/x
  3. Step 3: Cross multiply
    314,938,613.10x = 472,407,919.65 × 178,889,717.10
  4. Step 4: Simplify right side
    314,938,613.10x = 84,508,919,101,988,016
  5. Step 5: Solve for x
    x = 84,508,919,101,988,016/314,938,613.10
  6. Step 6: Final answer
    x = 268,334,575.65

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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.