Home / 314,938,609.10-472,407,913.65-178,889,713.10

Finding the Fourth Proportional to 314,938,609.10, 472,407,913.65 and 178,889,713.10

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Solution

The fourth proportional to 314,938,609.10, 472,407,913.65 and 178,889,713.10 is: 268,334,569.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,938,609.10 : 472,407,913.65 = 178,889,713.10 : x
  2. Step 2: Convert to fraction form
    314,938,609.10/472,407,913.65 = 178,889,713.10/x
  3. Step 3: Cross multiply
    314,938,609.10x = 472,407,913.65 × 178,889,713.10
  4. Step 4: Simplify right side
    314,938,609.10x = 84,508,916,139,018,064
  5. Step 5: Solve for x
    x = 84,508,916,139,018,064/314,938,609.10
  6. Step 6: Final answer
    x = 268,334,569.65

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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.