Home / 832,854,547.43-1,241,835,887.28-809,972,524.79

Finding the Fourth Proportional to 832,854,547.43, 1,241,835,887.28 and 809,972,524.79

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Solution

The fourth proportional to 832,854,547.43, 1,241,835,887.28 and 809,972,524.79 is: 1,207,717,424.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,854,547.43 : 1,241,835,887.28 = 809,972,524.79 : x
  2. Step 2: Convert to fraction form
    832,854,547.43/1,241,835,887.28 = 809,972,524.79/x
  3. Step 3: Cross multiply
    832,854,547.43x = 1,241,835,887.28 × 809,972,524.79
  4. Step 4: Simplify right side
    832,854,547.43x = 1,005,852,948,988,802,176
  5. Step 5: Solve for x
    x = 1,005,852,948,988,802,176/832,854,547.43
  6. Step 6: Final answer
    x = 1,207,717,424.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.