Home / 3,928,445,152.30-5,420,445,031.32-2,257,371,443.08

Finding the Fourth Proportional to 3,928,445,152.30, 5,420,445,031.32 and 2,257,371,443.08

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Solution

The fourth proportional to 3,928,445,152.30, 5,420,445,031.32 and 2,257,371,443.08 is: 3,114,707,561.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,445,152.30 : 5,420,445,031.32 = 2,257,371,443.08 : x
  2. Step 2: Convert to fraction form
    3,928,445,152.30/5,420,445,031.32 = 2,257,371,443.08/x
  3. Step 3: Cross multiply
    3,928,445,152.30x = 5,420,445,031.32 × 2,257,371,443.08
  4. Step 4: Simplify right side
    3,928,445,152.30x = 12,235,957,822,486,642,688
  5. Step 5: Solve for x
    x = 12,235,957,822,486,642,688/3,928,445,152.30
  6. Step 6: Final answer
    x = 3,114,707,561.93

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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.