Home / 680,367,841.24-1,020,947,851.52-286,869,992.26

Finding the Fourth Proportional to 680,367,841.24, 1,020,947,851.52 and 286,869,992.26

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Solution

The fourth proportional to 680,367,841.24, 1,020,947,851.52 and 286,869,992.26 is: 430,471,995.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,367,841.24 : 1,020,947,851.52 = 286,869,992.26 : x
  2. Step 2: Convert to fraction form
    680,367,841.24/1,020,947,851.52 = 286,869,992.26/x
  3. Step 3: Cross multiply
    680,367,841.24x = 1,020,947,851.52 × 286,869,992.26
  4. Step 4: Simplify right side
    680,367,841.24x = 292,879,302,263,406,016
  5. Step 5: Solve for x
    x = 292,879,302,263,406,016/680,367,841.24
  6. Step 6: Final answer
    x = 430,471,995.46

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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.