Home / 1,616,776,398.65-2,230,603,408.18-1,318,903,718.15

Finding the Fourth Proportional to 1,616,776,398.65, 2,230,603,408.18 and 1,318,903,718.15

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Solution

The fourth proportional to 1,616,776,398.65, 2,230,603,408.18 and 1,318,903,718.15 is: 1,819,640,075.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,776,398.65 : 2,230,603,408.18 = 1,318,903,718.15 : x
  2. Step 2: Convert to fraction form
    1,616,776,398.65/2,230,603,408.18 = 1,318,903,718.15/x
  3. Step 3: Cross multiply
    1,616,776,398.65x = 2,230,603,408.18 × 1,318,903,718.15
  4. Step 4: Simplify right side
    1,616,776,398.65x = 2,941,951,128,773,822,976
  5. Step 5: Solve for x
    x = 2,941,951,128,773,822,976/1,616,776,398.65
  6. Step 6: Final answer
    x = 1,819,640,075.91

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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.