Home / 885,091,518.54-1,221,428,104.44-488,615,053.46

Finding the Fourth Proportional to 885,091,518.54, 1,221,428,104.44 and 488,615,053.46

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Solution

The fourth proportional to 885,091,518.54, 1,221,428,104.44 and 488,615,053.46 is: 674,289,772.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,091,518.54 : 1,221,428,104.44 = 488,615,053.46 : x
  2. Step 2: Convert to fraction form
    885,091,518.54/1,221,428,104.44 = 488,615,053.46/x
  3. Step 3: Cross multiply
    885,091,518.54x = 1,221,428,104.44 × 488,615,053.46
  4. Step 4: Simplify right side
    885,091,518.54x = 596,808,158,548,497,024
  5. Step 5: Solve for x
    x = 596,808,158,548,497,024/885,091,518.54
  6. Step 6: Final answer
    x = 674,289,772.35

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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.