Home / 1,165,579,104.76-1,608,663,228.06-742,057,478.71

Finding the Fourth Proportional to 1,165,579,104.76, 1,608,663,228.06 and 742,057,478.71

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Solution

The fourth proportional to 1,165,579,104.76, 1,608,663,228.06 and 742,057,478.71 is: 1,024,143,770.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,579,104.76 : 1,608,663,228.06 = 742,057,478.71 : x
  2. Step 2: Convert to fraction form
    1,165,579,104.76/1,608,663,228.06 = 742,057,478.71/x
  3. Step 3: Cross multiply
    1,165,579,104.76x = 1,608,663,228.06 × 742,057,478.71
  4. Step 4: Simplify right side
    1,165,579,104.76x = 1,193,720,579,107,693,312
  5. Step 5: Solve for x
    x = 1,193,720,579,107,693,312/1,165,579,104.76
  6. Step 6: Final answer
    x = 1,024,143,770.45

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Double scale
Find fourth proportional to 1,165,579,105.76, 1,608,663,229.44 and 742,057,479.71
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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.