Home / 881,014,851,668.65-1,215,800,553,768.30-490,373,032,063.45

Finding the Fourth Proportional to 881,014,851,668.65, 1,215,800,553,768.30 and 490,373,032,063.45

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Solution

The fourth proportional to 881,014,851,668.65, 1,215,800,553,768.30 and 490,373,032,063.45 is: 676,714,816,789.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,014,851,668.65 : 1,215,800,553,768.30 = 490,373,032,063.45 : x
  2. Step 2: Convert to fraction form
    881,014,851,668.65/1,215,800,553,768.30 = 490,373,032,063.45/x
  3. Step 3: Cross multiply
    881,014,851,668.65x = 1,215,800,553,768.30 × 490,373,032,063.45
  4. Step 4: Simplify right side
    881,014,851,668.65x = 596,195,803,935,782,905,839,616
  5. Step 5: Solve for x
    x = 596,195,803,935,782,905,839,616/881,014,851,668.65
  6. Step 6: Final answer
    x = 676,714,816,789.50

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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.