Home / 385,767,071.12-532,295,452.03-227,130,877.39

Finding the Fourth Proportional to 385,767,071.12, 532,295,452.03 and 227,130,877.39

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Solution

The fourth proportional to 385,767,071.12, 532,295,452.03 and 227,130,877.39 is: 313,403,455.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,767,071.12 : 532,295,452.03 = 227,130,877.39 : x
  2. Step 2: Convert to fraction form
    385,767,071.12/532,295,452.03 = 227,130,877.39/x
  3. Step 3: Cross multiply
    385,767,071.12x = 532,295,452.03 × 227,130,877.39
  4. Step 4: Simplify right side
    385,767,071.12x = 120,900,733,050,280,544
  5. Step 5: Solve for x
    x = 120,900,733,050,280,544/385,767,071.12
  6. Step 6: Final answer
    x = 313,403,455.35

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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.