Home / 1,305,025,810.04-1,800,974,595.51-803,523,914.21

Finding the Fourth Proportional to 1,305,025,810.04, 1,800,974,595.51 and 803,523,914.21

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Solution

The fourth proportional to 1,305,025,810.04, 1,800,974,595.51 and 803,523,914.21 is: 1,108,887,000.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,025,810.04 : 1,800,974,595.51 = 803,523,914.21 : x
  2. Step 2: Convert to fraction form
    1,305,025,810.04/1,800,974,595.51 = 803,523,914.21/x
  3. Step 3: Cross multiply
    1,305,025,810.04x = 1,800,974,595.51 × 803,523,914.21
  4. Step 4: Simplify right side
    1,305,025,810.04x = 1,447,126,156,367,961,856
  5. Step 5: Solve for x
    x = 1,447,126,156,367,961,856/1,305,025,810.04
  6. Step 6: Final answer
    x = 1,108,887,000.73

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Double scale
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1.5x scale

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.