Home / 912,260,109.73-1,258,967,832.42-510,349,882.74

Finding the Fourth Proportional to 912,260,109.73, 1,258,967,832.42 and 510,349,882.74

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Solution

The fourth proportional to 912,260,109.73, 1,258,967,832.42 and 510,349,882.74 is: 704,310,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,260,109.73 : 1,258,967,832.42 = 510,349,882.74 : x
  2. Step 2: Convert to fraction form
    912,260,109.73/1,258,967,832.42 = 510,349,882.74/x
  3. Step 3: Cross multiply
    912,260,109.73x = 1,258,967,832.42 × 510,349,882.74
  4. Step 4: Simplify right side
    912,260,109.73x = 642,514,085,648,979,072
  5. Step 5: Solve for x
    x = 642,514,085,648,979,072/912,260,109.73
  6. Step 6: Final answer
    x = 704,310,183.90

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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.