Home / 1,228,773,039.30-1,843,398,707.40-355,402,899.90

Finding the Fourth Proportional to 1,228,773,039.30, 1,843,398,707.40 and 355,402,899.90

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Solution

The fourth proportional to 1,228,773,039.30, 1,843,398,707.40 and 355,402,899.90 is: 533,173,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,773,039.30 : 1,843,398,707.40 = 355,402,899.90 : x
  2. Step 2: Convert to fraction form
    1,228,773,039.30/1,843,398,707.40 = 355,402,899.90/x
  3. Step 3: Cross multiply
    1,228,773,039.30x = 1,843,398,707.40 × 355,402,899.90
  4. Step 4: Simplify right side
    1,228,773,039.30x = 655,149,246,281,871,616
  5. Step 5: Solve for x
    x = 655,149,246,281,871,616/1,228,773,039.30
  6. Step 6: Final answer
    x = 533,173,519.70

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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.