Home / 423,738,368.60-635,607,552.90-219,329,101.40

Finding the Fourth Proportional to 423,738,368.60, 635,607,552.90 and 219,329,101.40

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Solution

The fourth proportional to 423,738,368.60, 635,607,552.90 and 219,329,101.40 is: 328,993,652.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,738,368.60 : 635,607,552.90 = 219,329,101.40 : x
  2. Step 2: Convert to fraction form
    423,738,368.60/635,607,552.90 = 219,329,101.40/x
  3. Step 3: Cross multiply
    423,738,368.60x = 635,607,552.90 × 219,329,101.40
  4. Step 4: Simplify right side
    423,738,368.60x = 139,407,233,420,609,968
  5. Step 5: Solve for x
    x = 139,407,233,420,609,968/423,738,368.60
  6. Step 6: Final answer
    x = 328,993,652.10

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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.