Home / 1,487,712,197.45-2,055,874,311.64-1,115,788,528.01

Finding the Fourth Proportional to 1,487,712,197.45, 2,055,874,311.64 and 1,115,788,528.01

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Solution

The fourth proportional to 1,487,712,197.45, 2,055,874,311.64 and 1,115,788,528.01 is: 1,541,911,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,712,197.45 : 2,055,874,311.64 = 1,115,788,528.01 : x
  2. Step 2: Convert to fraction form
    1,487,712,197.45/2,055,874,311.64 = 1,115,788,528.01/x
  3. Step 3: Cross multiply
    1,487,712,197.45x = 2,055,874,311.64 × 1,115,788,528.01
  4. Step 4: Simplify right side
    1,487,712,197.45x = 2,293,920,971,964,957,952
  5. Step 5: Solve for x
    x = 2,293,920,971,964,957,952/1,487,712,197.45
  6. Step 6: Final answer
    x = 1,541,911,786.36

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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.