Home / 661,589,831.48-912,977,280.60-364,229,105

Finding the Fourth Proportional to 661,589,831.48, 912,977,280.60 and 364,229,105

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Solution

The fourth proportional to 661,589,831.48, 912,977,280.60 and 364,229,105 is: 502,626,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,589,831.48 : 912,977,280.60 = 364,229,105 : x
  2. Step 2: Convert to fraction form
    661,589,831.48/912,977,280.60 = 364,229,105/x
  3. Step 3: Cross multiply
    661,589,831.48x = 912,977,280.60 × 364,229,105
  4. Step 4: Simplify right side
    661,589,831.48x = 332,532,897,798,271,872
  5. Step 5: Solve for x
    x = 332,532,897,798,271,872/661,589,831.48
  6. Step 6: Final answer
    x = 502,626,978.19

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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.