Home / 2,657,206,872.10-3,985,810,308.15-909,828,864.10

Finding the Fourth Proportional to 2,657,206,872.10, 3,985,810,308.15 and 909,828,864.10

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Solution

The fourth proportional to 2,657,206,872.10, 3,985,810,308.15 and 909,828,864.10 is: 1,364,743,296.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,206,872.10 : 3,985,810,308.15 = 909,828,864.10 : x
  2. Step 2: Convert to fraction form
    2,657,206,872.10/3,985,810,308.15 = 909,828,864.10/x
  3. Step 3: Cross multiply
    2,657,206,872.10x = 3,985,810,308.15 × 909,828,864.10
  4. Step 4: Simplify right side
    2,657,206,872.10x = 3,626,405,265,182,185,472
  5. Step 5: Solve for x
    x = 3,626,405,265,182,185,472/2,657,206,872.10
  6. Step 6: Final answer
    x = 1,364,743,296.15

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Double scale
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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.