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Finding the Fourth Proportional to 304,402,430.40, 455,847,818.40 and 243,936,254.40

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Solution

The fourth proportional to 304,402,430.40, 455,847,818.40 and 243,936,254.40 is: 365,298,691.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,402,430.40 : 455,847,818.40 = 243,936,254.40 : x
  2. Step 2: Convert to fraction form
    304,402,430.40/455,847,818.40 = 243,936,254.40/x
  3. Step 3: Cross multiply
    304,402,430.40x = 455,847,818.40 × 243,936,254.40
  4. Step 4: Simplify right side
    304,402,430.40x = 111,197,809,396,907,392
  5. Step 5: Solve for x
    x = 111,197,809,396,907,392/304,402,430.40
  6. Step 6: Final answer
    x = 365,298,691.11

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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.