Home / 8,153,686,685.84-11,251,911,264.12-4,720,529,778.56

Finding the Fourth Proportional to 8,153,686,685.84, 11,251,911,264.12 and 4,720,529,778.56

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Solution

The fourth proportional to 8,153,686,685.84, 11,251,911,264.12 and 4,720,529,778.56 is: 6,514,228,990.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153,686,685.84 : 11,251,911,264.12 = 4,720,529,778.56 : x
  2. Step 2: Convert to fraction form
    8,153,686,685.84/11,251,911,264.12 = 4,720,529,778.56/x
  3. Step 3: Cross multiply
    8,153,686,685.84x = 11,251,911,264.12 × 4,720,529,778.56
  4. Step 4: Simplify right side
    8,153,686,685.84x = 53,114,982,187,993,161,728
  5. Step 5: Solve for x
    x = 53,114,982,187,993,161,728/8,153,686,685.84
  6. Step 6: Final answer
    x = 6,514,228,990.46

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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.