Home / 1,385,262,239.83-1,911,662,921.62-750,187,661.47

Finding the Fourth Proportional to 1,385,262,239.83, 1,911,662,921.62 and 750,187,661.47

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Solution

The fourth proportional to 1,385,262,239.83, 1,911,662,921.62 and 750,187,661.47 is: 1,035,259,530.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,262,239.83 : 1,911,662,921.62 = 750,187,661.47 : x
  2. Step 2: Convert to fraction form
    1,385,262,239.83/1,911,662,921.62 = 750,187,661.47/x
  3. Step 3: Cross multiply
    1,385,262,239.83x = 1,911,662,921.62 × 750,187,661.47
  4. Step 4: Simplify right side
    1,385,262,239.83x = 1,434,105,936,689,015,552
  5. Step 5: Solve for x
    x = 1,434,105,936,689,015,552/1,385,262,239.83
  6. Step 6: Final answer
    x = 1,035,259,530.98

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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.