Home / 30,631,687,872.77-42,271,729,345.78-16,550,627,136.77

Finding the Fourth Proportional to 30,631,687,872.77, 42,271,729,345.78 and 16,550,627,136.77

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Solution

The fourth proportional to 30,631,687,872.77, 42,271,729,345.78 and 16,550,627,136.77 is: 22,839,865,492.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,631,687,872.77 : 42,271,729,345.78 = 16,550,627,136.77 : x
  2. Step 2: Convert to fraction form
    30,631,687,872.77/42,271,729,345.78 = 16,550,627,136.77/x
  3. Step 3: Cross multiply
    30,631,687,872.77x = 42,271,729,345.78 × 16,550,627,136.77
  4. Step 4: Simplify right side
    30,631,687,872.77x = 699,623,630,828,352,962,560
  5. Step 5: Solve for x
    x = 699,623,630,828,352,962,560/30,631,687,872.77
  6. Step 6: Final answer
    x = 22,839,865,492.70

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Double scale
Find fourth proportional to 30,631,687,873.77, 42,271,729,347.16 and 16,550,627,137.77
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.