Home / 870,901,693.40-1,306,352,540.10-804,388,899.80

Finding the Fourth Proportional to 870,901,693.40, 1,306,352,540.10 and 804,388,899.80

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Solution

The fourth proportional to 870,901,693.40, 1,306,352,540.10 and 804,388,899.80 is: 1,206,583,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,901,693.40 : 1,306,352,540.10 = 804,388,899.80 : x
  2. Step 2: Convert to fraction form
    870,901,693.40/1,306,352,540.10 = 804,388,899.80/x
  3. Step 3: Cross multiply
    870,901,693.40x = 1,306,352,540.10 × 804,388,899.80
  4. Step 4: Simplify right side
    870,901,693.40x = 1,050,815,482,481,974,272
  5. Step 5: Solve for x
    x = 1,050,815,482,481,974,272/870,901,693.40
  6. Step 6: Final answer
    x = 1,206,583,349.70

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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.