Home / 1,657,191,855.15-2,486,146,505.40-492,778,052.10

Finding the Fourth Proportional to 1,657,191,855.15, 2,486,146,505.40 and 492,778,052.10

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Solution

The fourth proportional to 1,657,191,855.15, 2,486,146,505.40 and 492,778,052.10 is: 739,273,746.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,191,855.15 : 2,486,146,505.40 = 492,778,052.10 : x
  2. Step 2: Convert to fraction form
    1,657,191,855.15/2,486,146,505.40 = 492,778,052.10/x
  3. Step 3: Cross multiply
    1,657,191,855.15x = 2,486,146,505.40 × 492,778,052.10
  4. Step 4: Simplify right side
    1,657,191,855.15x = 1,225,118,432,166,234,112
  5. Step 5: Solve for x
    x = 1,225,118,432,166,234,112/1,657,191,855.15
  6. Step 6: Final answer
    x = 739,273,746.95

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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.