Home / 1,398,384,009.40-2,097,576,014.10-854,188,425.40

Finding the Fourth Proportional to 1,398,384,009.40, 2,097,576,014.10 and 854,188,425.40

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Solution

The fourth proportional to 1,398,384,009.40, 2,097,576,014.10 and 854,188,425.40 is: 1,281,282,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,384,009.40 : 2,097,576,014.10 = 854,188,425.40 : x
  2. Step 2: Convert to fraction form
    1,398,384,009.40/2,097,576,014.10 = 854,188,425.40/x
  3. Step 3: Cross multiply
    1,398,384,009.40x = 2,097,576,014.10 × 854,188,425.40
  4. Step 4: Simplify right side
    1,398,384,009.40x = 1,791,725,152,640,887,040
  5. Step 5: Solve for x
    x = 1,791,725,152,640,887,040/1,398,384,009.40
  6. Step 6: Final answer
    x = 1,281,282,638.10

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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.