Home / 1,229,547,545.41-1,696,789,004.93-672,618,635.05

Finding the Fourth Proportional to 1,229,547,545.41, 1,696,789,004.93 and 672,618,635.05

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Solution

The fourth proportional to 1,229,547,545.41, 1,696,789,004.93 and 672,618,635.05 is: 928,221,042.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,547,545.41 : 1,696,789,004.93 = 672,618,635.05 : x
  2. Step 2: Convert to fraction form
    1,229,547,545.41/1,696,789,004.93 = 672,618,635.05/x
  3. Step 3: Cross multiply
    1,229,547,545.41x = 1,696,789,004.93 × 672,618,635.05
  4. Step 4: Simplify right side
    1,229,547,545.41x = 1,141,291,904,463,864,320
  5. Step 5: Solve for x
    x = 1,141,291,904,463,864,320/1,229,547,545.41
  6. Step 6: Final answer
    x = 928,221,042.55

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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.