Home / 19,782,578,061.33-29,679,689,623.20-7,191,238,038.75

Finding the Fourth Proportional to 19,782,578,061.33, 29,679,689,623.20 and 7,191,238,038.75

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Solution

The fourth proportional to 19,782,578,061.33, 29,679,689,623.20 and 7,191,238,038.75 is: 10,788,973,627.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782,578,061.33 : 29,679,689,623.20 = 7,191,238,038.75 : x
  2. Step 2: Convert to fraction form
    19,782,578,061.33/29,679,689,623.20 = 7,191,238,038.75/x
  3. Step 3: Cross multiply
    19,782,578,061.33x = 29,679,689,623.20 × 7,191,238,038.75
  4. Step 4: Simplify right side
    19,782,578,061.33x = 213,433,712,996,722,442,240
  5. Step 5: Solve for x
    x = 213,433,712,996,722,442,240/19,782,578,061.33
  6. Step 6: Final answer
    x = 10,788,973,627.96

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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.