Home / 342,087,948.47-472,116,554.66-208,135,374.41

Finding the Fourth Proportional to 342,087,948.47, 472,116,554.66 and 208,135,374.41

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Solution

The fourth proportional to 342,087,948.47, 472,116,554.66 and 208,135,374.41 is: 287,248,224.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,087,948.47 : 472,116,554.66 = 208,135,374.41 : x
  2. Step 2: Convert to fraction form
    342,087,948.47/472,116,554.66 = 208,135,374.41/x
  3. Step 3: Cross multiply
    342,087,948.47x = 472,116,554.66 × 208,135,374.41
  4. Step 4: Simplify right side
    342,087,948.47x = 98,264,155,865,917,072
  5. Step 5: Solve for x
    x = 98,264,155,865,917,072/342,087,948.47
  6. Step 6: Final answer
    x = 287,248,224.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.