Home / 21,275,136,000.90-31,912,704,001.35-9,665,630,208.90

Finding the Fourth Proportional to 21,275,136,000.90, 31,912,704,001.35 and 9,665,630,208.90

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Solution

The fourth proportional to 21,275,136,000.90, 31,912,704,001.35 and 9,665,630,208.90 is: 14,498,445,313.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,275,136,000.90 : 31,912,704,001.35 = 9,665,630,208.90 : x
  2. Step 2: Convert to fraction form
    21,275,136,000.90/31,912,704,001.35 = 9,665,630,208.90/x
  3. Step 3: Cross multiply
    21,275,136,000.90x = 31,912,704,001.35 × 9,665,630,208.90
  4. Step 4: Simplify right side
    21,275,136,000.90x = 308,456,395,843,132,456,960
  5. Step 5: Solve for x
    x = 308,456,395,843,132,456,960/21,275,136,000.90
  6. Step 6: Final answer
    x = 14,498,445,313.35

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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.