Home / 1,109,599,620.67-1,530,666,937.38-686,077,898.23

Finding the Fourth Proportional to 1,109,599,620.67, 1,530,666,937.38 and 686,077,898.23

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Solution

The fourth proportional to 1,109,599,620.67, 1,530,666,937.38 and 686,077,898.23 is: 946,428,545.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,599,620.67 : 1,530,666,937.38 = 686,077,898.23 : x
  2. Step 2: Convert to fraction form
    1,109,599,620.67/1,530,666,937.38 = 686,077,898.23/x
  3. Step 3: Cross multiply
    1,109,599,620.67x = 1,530,666,937.38 × 686,077,898.23
  4. Step 4: Simplify right side
    1,109,599,620.67x = 1,050,156,755,283,994,752
  5. Step 5: Solve for x
    x = 1,050,156,755,283,994,752/1,109,599,620.67
  6. Step 6: Final answer
    x = 946,428,545.69

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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.