Home / 1,370,261,631.12-1,890,956,264.04-743,730,026.64

Finding the Fourth Proportional to 1,370,261,631.12, 1,890,956,264.04 and 743,730,026.64

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Solution

The fourth proportional to 1,370,261,631.12, 1,890,956,264.04 and 743,730,026.64 is: 1,026,344,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,261,631.12 : 1,890,956,264.04 = 743,730,026.64 : x
  2. Step 2: Convert to fraction form
    1,370,261,631.12/1,890,956,264.04 = 743,730,026.64/x
  3. Step 3: Cross multiply
    1,370,261,631.12x = 1,890,956,264.04 × 743,730,026.64
  4. Step 4: Simplify right side
    1,370,261,631.12x = 1,406,360,952,629,543,936
  5. Step 5: Solve for x
    x = 1,406,360,952,629,543,936/1,370,261,631.12
  6. Step 6: Final answer
    x = 1,026,344,838.60

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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.