Home / 1,457,006,603.82-2,010,675,171.20-787,951,648.71

Finding the Fourth Proportional to 1,457,006,603.82, 2,010,675,171.20 and 787,951,648.71

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Solution

The fourth proportional to 1,457,006,603.82, 2,010,675,171.20 and 787,951,648.71 is: 1,087,376,551.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,006,603.82 : 2,010,675,171.20 = 787,951,648.71 : x
  2. Step 2: Convert to fraction form
    1,457,006,603.82/2,010,675,171.20 = 787,951,648.71/x
  3. Step 3: Cross multiply
    1,457,006,603.82x = 2,010,675,171.20 × 787,951,648.71
  4. Step 4: Simplify right side
    1,457,006,603.82x = 1,584,314,816,167,301,632
  5. Step 5: Solve for x
    x = 1,584,314,816,167,301,632/1,457,006,603.82
  6. Step 6: Final answer
    x = 1,087,376,551.36

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Double scale
Find fourth proportional to 1,457,006,604.82, 2,010,675,172.58 and 787,951,649.71
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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.