Home / 587,155,498,761.02-810,345,126,703.59-355,662,225,700.07

Finding the Fourth Proportional to 587,155,498,761.02, 810,345,126,703.59 and 355,662,225,700.07

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Solution

The fourth proportional to 587,155,498,761.02, 810,345,126,703.59 and 355,662,225,700.07 is: 490,856,599,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,155,498,761.02 : 810,345,126,703.59 = 355,662,225,700.07 : x
  2. Step 2: Convert to fraction form
    587,155,498,761.02/810,345,126,703.59 = 355,662,225,700.07/x
  3. Step 3: Cross multiply
    587,155,498,761.02x = 810,345,126,703.59 × 355,662,225,700.07
  4. Step 4: Simplify right side
    587,155,498,761.02x = 288,209,151,348,604,045,099,008
  5. Step 5: Solve for x
    x = 288,209,151,348,604,045,099,008/587,155,498,761.02
  6. Step 6: Final answer
    x = 490,856,599,242.90

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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.