Home / 1,328,549,062.60-1,992,813,096.30-345,973,702.60

Finding the Fourth Proportional to 1,328,549,062.60, 1,992,813,096.30 and 345,973,702.60

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Solution

The fourth proportional to 1,328,549,062.60, 1,992,813,096.30 and 345,973,702.60 is: 518,957,820.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,549,062.60 : 1,992,813,096.30 = 345,973,702.60 : x
  2. Step 2: Convert to fraction form
    1,328,549,062.60/1,992,813,096.30 = 345,973,702.60/x
  3. Step 3: Cross multiply
    1,328,549,062.60x = 1,992,813,096.30 × 345,973,702.60
  4. Step 4: Simplify right side
    1,328,549,062.60x = 689,460,925,516,681,344
  5. Step 5: Solve for x
    x = 689,460,925,516,681,344/1,328,549,062.60
  6. Step 6: Final answer
    x = 518,957,820.17

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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.