Home / 338,256,803.20-507,385,204.80-108,249,138.40

Finding the Fourth Proportional to 338,256,803.20, 507,385,204.80 and 108,249,138.40

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Solution

The fourth proportional to 338,256,803.20, 507,385,204.80 and 108,249,138.40 is: 162,373,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,256,803.20 : 507,385,204.80 = 108,249,138.40 : x
  2. Step 2: Convert to fraction form
    338,256,803.20/507,385,204.80 = 108,249,138.40/x
  3. Step 3: Cross multiply
    338,256,803.20x = 507,385,204.80 × 108,249,138.40
  4. Step 4: Simplify right side
    338,256,803.20x = 54,924,011,256,507,552
  5. Step 5: Solve for x
    x = 54,924,011,256,507,552/338,256,803.20
  6. Step 6: Final answer
    x = 162,373,707.60

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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.