Home / 881,014,851,668.50-1,215,800,553,768-490,373,032,063.20

Finding the Fourth Proportional to 881,014,851,668.50, 1,215,800,553,768 and 490,373,032,063.20

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Solution

The fourth proportional to 881,014,851,668.50, 1,215,800,553,768 and 490,373,032,063.20 is: 676,714,816,789.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,014,851,668.50 : 1,215,800,553,768 = 490,373,032,063.20 : x
  2. Step 2: Convert to fraction form
    881,014,851,668.50/1,215,800,553,768 = 490,373,032,063.20/x
  3. Step 3: Cross multiply
    881,014,851,668.50x = 1,215,800,553,768 × 490,373,032,063.20
  4. Step 4: Simplify right side
    881,014,851,668.50x = 596,195,803,935,331,800,055,808
  5. Step 5: Solve for x
    x = 596,195,803,935,331,800,055,808/881,014,851,668.50
  6. Step 6: Final answer
    x = 676,714,816,789.11

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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.