Home / 876,549,094,630.80-1,209,637,724,379.20-485,914,668,534.53

Finding the Fourth Proportional to 876,549,094,630.80, 1,209,637,724,379.20 and 485,914,668,534.53

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Solution

The fourth proportional to 876,549,094,630.80, 1,209,637,724,379.20 and 485,914,668,534.53 is: 670,562,228,047.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,549,094,630.80 : 1,209,637,724,379.20 = 485,914,668,534.53 : x
  2. Step 2: Convert to fraction form
    876,549,094,630.80/1,209,637,724,379.20 = 485,914,668,534.53/x
  3. Step 3: Cross multiply
    876,549,094,630.80x = 1,209,637,724,379.20 × 485,914,668,534.53
  4. Step 4: Simplify right side
    876,549,094,630.80x = 587,780,713,888,582,119,456,768
  5. Step 5: Solve for x
    x = 587,780,713,888,582,119,456,768/876,549,094,630.80
  6. Step 6: Final answer
    x = 670,562,228,047.43

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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.