Home / 19,142,142,504.21-28,717,482,604.95-5,878,739,323.80

Finding the Fourth Proportional to 19,142,142,504.21, 28,717,482,604.95 and 5,878,739,323.80

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Solution

The fourth proportional to 19,142,142,504.21, 28,717,482,604.95 and 5,878,739,323.80 is: 8,819,419,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142,142,504.21 : 28,717,482,604.95 = 5,878,739,323.80 : x
  2. Step 2: Convert to fraction form
    19,142,142,504.21/28,717,482,604.95 = 5,878,739,323.80/x
  3. Step 3: Cross multiply
    19,142,142,504.21x = 28,717,482,604.95 × 5,878,739,323.80
  4. Step 4: Simplify right side
    19,142,142,504.21x = 168,822,594,270,262,034,432
  5. Step 5: Solve for x
    x = 168,822,594,270,262,034,432/19,142,142,504.21
  6. Step 6: Final answer
    x = 8,819,419,990.90

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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.