Home / 424,438,401.44-636,657,602.16-117,730,514.72

Finding the Fourth Proportional to 424,438,401.44, 636,657,602.16 and 117,730,514.72

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Solution

The fourth proportional to 424,438,401.44, 636,657,602.16 and 117,730,514.72 is: 176,595,772.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,438,401.44 : 636,657,602.16 = 117,730,514.72 : x
  2. Step 2: Convert to fraction form
    424,438,401.44/636,657,602.16 = 117,730,514.72/x
  3. Step 3: Cross multiply
    424,438,401.44x = 636,657,602.16 × 117,730,514.72
  4. Step 4: Simplify right side
    424,438,401.44x = 74,954,027,202,697,776
  5. Step 5: Solve for x
    x = 74,954,027,202,697,776/424,438,401.44
  6. Step 6: Final answer
    x = 176,595,772.08

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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.