Home / 1,248,145,994-1,721,612,098.26-802,672,550.92

Finding the Fourth Proportional to 1,248,145,994, 1,721,612,098.26 and 802,672,550.92

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Solution

The fourth proportional to 1,248,145,994, 1,721,612,098.26 and 802,672,550.92 is: 1,107,154,756.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,145,994 : 1,721,612,098.26 = 802,672,550.92 : x
  2. Step 2: Convert to fraction form
    1,248,145,994/1,721,612,098.26 = 802,672,550.92/x
  3. Step 3: Cross multiply
    1,248,145,994x = 1,721,612,098.26 × 802,672,550.92
  4. Step 4: Simplify right side
    1,248,145,994x = 1,381,890,774,605,087,744
  5. Step 5: Solve for x
    x = 1,381,890,774,605,087,744/1,248,145,994
  6. Step 6: Final answer
    x = 1,107,154,756.93

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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.