Home / 992,249,485.13-1,488,598,457.56-328,261,947.30

Finding the Fourth Proportional to 992,249,485.13, 1,488,598,457.56 and 328,261,947.30

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Solution

The fourth proportional to 992,249,485.13, 1,488,598,457.56 and 328,261,947.30 is: 492,467,102.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,249,485.13 : 1,488,598,457.56 = 328,261,947.30 : x
  2. Step 2: Convert to fraction form
    992,249,485.13/1,488,598,457.56 = 328,261,947.30/x
  3. Step 3: Cross multiply
    992,249,485.13x = 1,488,598,457.56 × 328,261,947.30
  4. Step 4: Simplify right side
    992,249,485.13x = 488,650,228,420,223,744
  5. Step 5: Solve for x
    x = 488,650,228,420,223,744/992,249,485.13
  6. Step 6: Final answer
    x = 492,467,102.02

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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.