Home / 785,284,959.69-1,083,692,980.04-432,866,835.70

Finding the Fourth Proportional to 785,284,959.69, 1,083,692,980.04 and 432,866,835.70

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Solution

The fourth proportional to 785,284,959.69, 1,083,692,980.04 and 432,866,835.70 is: 597,356,087.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,284,959.69 : 1,083,692,980.04 = 432,866,835.70 : x
  2. Step 2: Convert to fraction form
    785,284,959.69/1,083,692,980.04 = 432,866,835.70/x
  3. Step 3: Cross multiply
    785,284,959.69x = 1,083,692,980.04 × 432,866,835.70
  4. Step 4: Simplify right side
    785,284,959.69x = 469,094,751,140,218,048
  5. Step 5: Solve for x
    x = 469,094,751,140,218,048/785,284,959.69
  6. Step 6: Final answer
    x = 597,356,087.56

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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.