Home / 2,988,045,372.90-4,482,068,059.35-917,763,813.30

Finding the Fourth Proportional to 2,988,045,372.90, 4,482,068,059.35 and 917,763,813.30

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Solution

The fourth proportional to 2,988,045,372.90, 4,482,068,059.35 and 917,763,813.30 is: 1,376,645,719.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,045,372.90 : 4,482,068,059.35 = 917,763,813.30 : x
  2. Step 2: Convert to fraction form
    2,988,045,372.90/4,482,068,059.35 = 917,763,813.30/x
  3. Step 3: Cross multiply
    2,988,045,372.90x = 4,482,068,059.35 × 917,763,813.30
  4. Step 4: Simplify right side
    2,988,045,372.90x = 4,113,479,873,619,186,688
  5. Step 5: Solve for x
    x = 4,113,479,873,619,186,688/2,988,045,372.90
  6. Step 6: Final answer
    x = 1,376,645,719.95

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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.