Home / 659,575,200.20-990,339,077.10-369,022,627.40

Finding the Fourth Proportional to 659,575,200.20, 990,339,077.10 and 369,022,627.40

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Solution

The fourth proportional to 659,575,200.20, 990,339,077.10 and 369,022,627.40 is: 554,080,153.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,575,200.20 : 990,339,077.10 = 369,022,627.40 : x
  2. Step 2: Convert to fraction form
    659,575,200.20/990,339,077.10 = 369,022,627.40/x
  3. Step 3: Cross multiply
    659,575,200.20x = 990,339,077.10 × 369,022,627.40
  4. Step 4: Simplify right side
    659,575,200.20x = 365,457,528,248,333,184
  5. Step 5: Solve for x
    x = 365,457,528,248,333,184/659,575,200.20
  6. Step 6: Final answer
    x = 554,080,153.62

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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.