Home / 1,936,976,964.18-2,905,446,298.68-887,417,457

Finding the Fourth Proportional to 1,936,976,964.18, 2,905,446,298.68 and 887,417,457

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Solution

The fourth proportional to 1,936,976,964.18, 2,905,446,298.68 and 887,417,457 is: 1,331,117,413.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,976,964.18 : 2,905,446,298.68 = 887,417,457 : x
  2. Step 2: Convert to fraction form
    1,936,976,964.18/2,905,446,298.68 = 887,417,457/x
  3. Step 3: Cross multiply
    1,936,976,964.18x = 2,905,446,298.68 × 887,417,457
  4. Step 4: Simplify right side
    1,936,976,964.18x = 2,578,343,765,824,668,160
  5. Step 5: Solve for x
    x = 2,578,343,765,824,668,160/1,936,976,964.18
  6. Step 6: Final answer
    x = 1,331,117,413.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.