Home / 1,179,470,897.40-1,769,206,346.10-1,156,512,646.20

Finding the Fourth Proportional to 1,179,470,897.40, 1,769,206,346.10 and 1,156,512,646.20

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Solution

The fourth proportional to 1,179,470,897.40, 1,769,206,346.10 and 1,156,512,646.20 is: 1,734,768,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,470,897.40 : 1,769,206,346.10 = 1,156,512,646.20 : x
  2. Step 2: Convert to fraction form
    1,179,470,897.40/1,769,206,346.10 = 1,156,512,646.20/x
  3. Step 3: Cross multiply
    1,179,470,897.40x = 1,769,206,346.10 × 1,156,512,646.20
  4. Step 4: Simplify right side
    1,179,470,897.40x = 2,046,109,513,001,944,064
  5. Step 5: Solve for x
    x = 2,046,109,513,001,944,064/1,179,470,897.40
  6. Step 6: Final answer
    x = 1,734,768,969.30

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Double scale
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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.