Home / 401,909,467.20-602,864,200.80-197,836,123.20

Finding the Fourth Proportional to 401,909,467.20, 602,864,200.80 and 197,836,123.20

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Solution

The fourth proportional to 401,909,467.20, 602,864,200.80 and 197,836,123.20 is: 296,754,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,909,467.20 : 602,864,200.80 = 197,836,123.20 : x
  2. Step 2: Convert to fraction form
    401,909,467.20/602,864,200.80 = 197,836,123.20/x
  3. Step 3: Cross multiply
    401,909,467.20x = 602,864,200.80 × 197,836,123.20
  4. Step 4: Simplify right side
    401,909,467.20x = 119,268,316,302,338,320
  5. Step 5: Solve for x
    x = 119,268,316,302,338,320/401,909,467.20
  6. Step 6: Final answer
    x = 296,754,184.80

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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.