Home / 1,438,216,808.67-1,984,526,399.12-873,407,962.35

Finding the Fourth Proportional to 1,438,216,808.67, 1,984,526,399.12 and 873,407,962.35

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Solution

The fourth proportional to 1,438,216,808.67, 1,984,526,399.12 and 873,407,962.35 is: 1,205,173,759.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,216,808.67 : 1,984,526,399.12 = 873,407,962.35 : x
  2. Step 2: Convert to fraction form
    1,438,216,808.67/1,984,526,399.12 = 873,407,962.35/x
  3. Step 3: Cross multiply
    1,438,216,808.67x = 1,984,526,399.12 × 873,407,962.35
  4. Step 4: Simplify right side
    1,438,216,808.67x = 1,733,301,158,480,815,104
  5. Step 5: Solve for x
    x = 1,733,301,158,480,815,104/1,438,216,808.67
  6. Step 6: Final answer
    x = 1,205,173,759.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.