Home / 440,949,964.80-608,506,122.48-242,707,221.12

Finding the Fourth Proportional to 440,949,964.80, 608,506,122.48 and 242,707,221.12

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Solution

The fourth proportional to 440,949,964.80, 608,506,122.48 and 242,707,221.12 is: 334,933,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,949,964.80 : 608,506,122.48 = 242,707,221.12 : x
  2. Step 2: Convert to fraction form
    440,949,964.80/608,506,122.48 = 242,707,221.12/x
  3. Step 3: Cross multiply
    440,949,964.80x = 608,506,122.48 × 242,707,221.12
  4. Step 4: Simplify right side
    440,949,964.80x = 147,688,830,021,627,168
  5. Step 5: Solve for x
    x = 147,688,830,021,627,168/440,949,964.80
  6. Step 6: Final answer
    x = 334,933,307.20

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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.