Home / 1,315,865,972.40-1,973,798,958.60-540,068,400.60

Finding the Fourth Proportional to 1,315,865,972.40, 1,973,798,958.60 and 540,068,400.60

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Solution

The fourth proportional to 1,315,865,972.40, 1,973,798,958.60 and 540,068,400.60 is: 810,102,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,865,972.40 : 1,973,798,958.60 = 540,068,400.60 : x
  2. Step 2: Convert to fraction form
    1,315,865,972.40/1,973,798,958.60 = 540,068,400.60/x
  3. Step 3: Cross multiply
    1,315,865,972.40x = 1,973,798,958.60 × 540,068,400.60
  4. Step 4: Simplify right side
    1,315,865,972.40x = 1,065,986,446,677,047,552
  5. Step 5: Solve for x
    x = 1,065,986,446,677,047,552/1,315,865,972.40
  6. Step 6: Final answer
    x = 810,102,600.90

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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.