Home / 403,239,445.20-604,461,036.60-198,600,008.40

Finding the Fourth Proportional to 403,239,445.20, 604,461,036.60 and 198,600,008.40

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Solution

The fourth proportional to 403,239,445.20, 604,461,036.60 and 198,600,008.40 is: 297,703,928.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,239,445.20 : 604,461,036.60 = 198,600,008.40 : x
  2. Step 2: Convert to fraction form
    403,239,445.20/604,461,036.60 = 198,600,008.40/x
  3. Step 3: Cross multiply
    403,239,445.20x = 604,461,036.60 × 198,600,008.40
  4. Step 4: Simplify right side
    403,239,445.20x = 120,045,966,946,232,720
  5. Step 5: Solve for x
    x = 120,045,966,946,232,720/403,239,445.20
  6. Step 6: Final answer
    x = 297,703,928.46

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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.