Home / 7,144,152,799.59-10,718,686,031.58-4,198,896,542.43

Finding the Fourth Proportional to 7,144,152,799.59, 10,718,686,031.58 and 4,198,896,542.43

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Solution

The fourth proportional to 7,144,152,799.59, 10,718,686,031.58 and 4,198,896,542.43 is: 6,299,788,789.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144,152,799.59 : 10,718,686,031.58 = 4,198,896,542.43 : x
  2. Step 2: Convert to fraction form
    7,144,152,799.59/10,718,686,031.58 = 4,198,896,542.43/x
  3. Step 3: Cross multiply
    7,144,152,799.59x = 10,718,686,031.58 × 4,198,896,542.43
  4. Step 4: Simplify right side
    7,144,152,799.59x = 45,006,653,717,393,997,824
  5. Step 5: Solve for x
    x = 45,006,653,717,393,997,824/7,144,152,799.59
  6. Step 6: Final answer
    x = 6,299,788,789.51

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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.