Home / 847,149,155.80-1,270,723,733.70-301,693,859.80

Finding the Fourth Proportional to 847,149,155.80, 1,270,723,733.70 and 301,693,859.80

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Solution

The fourth proportional to 847,149,155.80, 1,270,723,733.70 and 301,693,859.80 is: 452,540,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,149,155.80 : 1,270,723,733.70 = 301,693,859.80 : x
  2. Step 2: Convert to fraction form
    847,149,155.80/1,270,723,733.70 = 301,693,859.80/x
  3. Step 3: Cross multiply
    847,149,155.80x = 1,270,723,733.70 × 301,693,859.80
  4. Step 4: Simplify right side
    847,149,155.80x = 383,369,547,959,420,352
  5. Step 5: Solve for x
    x = 383,369,547,959,420,352/847,149,155.80
  6. Step 6: Final answer
    x = 452,540,789.70

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Double scale
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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.