Home / 2,991,500,548.12-4,487,038,245.78-921,006,412.12

Finding the Fourth Proportional to 2,991,500,548.12, 4,487,038,245.78 and 921,006,412.12

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Solution

The fourth proportional to 2,991,500,548.12, 4,487,038,245.78 and 921,006,412.12 is: 1,381,444,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,500,548.12 : 4,487,038,245.78 = 921,006,412.12 : x
  2. Step 2: Convert to fraction form
    2,991,500,548.12/4,487,038,245.78 = 921,006,412.12/x
  3. Step 3: Cross multiply
    2,991,500,548.12x = 4,487,038,245.78 × 921,006,412.12
  4. Step 4: Simplify right side
    2,991,500,548.12x = 4,132,590,995,791,056,384
  5. Step 5: Solve for x
    x = 4,132,590,995,791,056,384/2,991,500,548.12
  6. Step 6: Final answer
    x = 1,381,444,171.35

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1.5x scale

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.