Home / 659,986,000.10-989,979,000.15-223,300,930.40

Finding the Fourth Proportional to 659,986,000.10, 989,979,000.15 and 223,300,930.40

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Solution

The fourth proportional to 659,986,000.10, 989,979,000.15 and 223,300,930.40 is: 334,951,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,986,000.10 : 989,979,000.15 = 223,300,930.40 : x
  2. Step 2: Convert to fraction form
    659,986,000.10/989,979,000.15 = 223,300,930.40/x
  3. Step 3: Cross multiply
    659,986,000.10x = 989,979,000.15 × 223,300,930.40
  4. Step 4: Simplify right side
    659,986,000.10x = 221,063,231,809,956,736
  5. Step 5: Solve for x
    x = 221,063,231,809,956,736/659,986,000.10
  6. Step 6: Final answer
    x = 334,951,395.60

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1.5x scale

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.