Home / 1,207,224,000.60-1,810,836,000.90-431,745,293.40

Finding the Fourth Proportional to 1,207,224,000.60, 1,810,836,000.90 and 431,745,293.40

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Solution

The fourth proportional to 1,207,224,000.60, 1,810,836,000.90 and 431,745,293.40 is: 647,617,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,224,000.60 : 1,810,836,000.90 = 431,745,293.40 : x
  2. Step 2: Convert to fraction form
    1,207,224,000.60/1,810,836,000.90 = 431,745,293.40/x
  3. Step 3: Cross multiply
    1,207,224,000.60x = 1,810,836,000.90 × 431,745,293.40
  4. Step 4: Simplify right side
    1,207,224,000.60x = 781,819,920,507,853,184
  5. Step 5: Solve for x
    x = 781,819,920,507,853,184/1,207,224,000.60
  6. Step 6: Final answer
    x = 647,617,940.10

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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.