Home / 19,315,584,534.40-28,973,376,801.60-13,438,272,227.20

Finding the Fourth Proportional to 19,315,584,534.40, 28,973,376,801.60 and 13,438,272,227.20

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Solution

The fourth proportional to 19,315,584,534.40, 28,973,376,801.60 and 13,438,272,227.20 is: 20,157,408,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,584,534.40 : 28,973,376,801.60 = 13,438,272,227.20 : x
  2. Step 2: Convert to fraction form
    19,315,584,534.40/28,973,376,801.60 = 13,438,272,227.20/x
  3. Step 3: Cross multiply
    19,315,584,534.40x = 28,973,376,801.60 × 13,438,272,227.20
  4. Step 4: Simplify right side
    19,315,584,534.40x = 389,352,124,801,142,030,336
  5. Step 5: Solve for x
    x = 389,352,124,801,142,030,336/19,315,584,534.40
  6. Step 6: Final answer
    x = 20,157,408,340.80

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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.