Home / 881,014,851,721.45-1,215,800,553,841.20-490,373,032,116.15

Finding the Fourth Proportional to 881,014,851,721.45, 1,215,800,553,841.20 and 490,373,032,116.15

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Solution

The fourth proportional to 881,014,851,721.45, 1,215,800,553,841.20 and 490,373,032,116.15 is: 676,714,816,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,014,851,721.45 : 1,215,800,553,841.20 = 490,373,032,116.15 : x
  2. Step 2: Convert to fraction form
    881,014,851,721.45/1,215,800,553,841.20 = 490,373,032,116.15/x
  3. Step 3: Cross multiply
    881,014,851,721.45x = 1,215,800,553,841.20 × 490,373,032,116.15
  4. Step 4: Simplify right side
    881,014,851,721.45x = 596,195,804,035,603,717,160,960
  5. Step 5: Solve for x
    x = 596,195,804,035,603,717,160,960/881,014,851,721.45
  6. Step 6: Final answer
    x = 676,714,816,862.25

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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.