Home / 1,457,006,601.51-2,010,675,168-787,951,646.39

Finding the Fourth Proportional to 1,457,006,601.51, 2,010,675,168 and 787,951,646.39

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Solution

The fourth proportional to 1,457,006,601.51, 2,010,675,168 and 787,951,646.39 is: 1,087,376,548.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,006,601.51 : 2,010,675,168 = 787,951,646.39 : x
  2. Step 2: Convert to fraction form
    1,457,006,601.51/2,010,675,168 = 787,951,646.39/x
  3. Step 3: Cross multiply
    1,457,006,601.51x = 2,010,675,168 × 787,951,646.39
  4. Step 4: Simplify right side
    1,457,006,601.51x = 1,584,314,808,986,116,608
  5. Step 5: Solve for x
    x = 1,584,314,808,986,116,608/1,457,006,601.51
  6. Step 6: Final answer
    x = 1,087,376,548.15

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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.