Home / 881,014,851,666.20-1,215,800,553,764.80-490,373,032,060.90

Finding the Fourth Proportional to 881,014,851,666.20, 1,215,800,553,764.80 and 490,373,032,060.90

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Solution

The fourth proportional to 881,014,851,666.20, 1,215,800,553,764.80 and 490,373,032,060.90 is: 676,714,816,785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,014,851,666.20 : 1,215,800,553,764.80 = 490,373,032,060.90 : x
  2. Step 2: Convert to fraction form
    881,014,851,666.20/1,215,800,553,764.80 = 490,373,032,060.90/x
  3. Step 3: Cross multiply
    881,014,851,666.20x = 1,215,800,553,764.80 × 490,373,032,060.90
  4. Step 4: Simplify right side
    881,014,851,666.20x = 596,195,803,930,966,301,343,744
  5. Step 5: Solve for x
    x = 596,195,803,930,966,301,343,744/881,014,851,666.20
  6. Step 6: Final answer
    x = 676,714,816,785.92

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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.