Home / 876,042,194.77-1,208,938,131.06-474,155,874.86

Finding the Fourth Proportional to 876,042,194.77, 1,208,938,131.06 and 474,155,874.86

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Solution

The fourth proportional to 876,042,194.77, 1,208,938,131.06 and 474,155,874.86 is: 654,335,054.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,042,194.77 : 1,208,938,131.06 = 474,155,874.86 : x
  2. Step 2: Convert to fraction form
    876,042,194.77/1,208,938,131.06 = 474,155,874.86/x
  3. Step 3: Cross multiply
    876,042,194.77x = 1,208,938,131.06 × 474,155,874.86
  4. Step 4: Simplify right side
    876,042,194.77x = 573,225,117,184,367,616
  5. Step 5: Solve for x
    x = 573,225,117,184,367,616/876,042,194.77
  6. Step 6: Final answer
    x = 654,335,054.42

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Double scale
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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.