Home / 402,615,756.02-555,598,488.80-243,939,825.27

Finding the Fourth Proportional to 402,615,756.02, 555,598,488.80 and 243,939,825.27

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Solution

The fourth proportional to 402,615,756.02, 555,598,488.80 and 243,939,825.27 is: 336,630,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,615,756.02 : 555,598,488.80 = 243,939,825.27 : x
  2. Step 2: Convert to fraction form
    402,615,756.02/555,598,488.80 = 243,939,825.27/x
  3. Step 3: Cross multiply
    402,615,756.02x = 555,598,488.80 × 243,939,825.27
  4. Step 4: Simplify right side
    402,615,756.02x = 135,532,598,278,757,904
  5. Step 5: Solve for x
    x = 135,532,598,278,757,904/402,615,756.02
  6. Step 6: Final answer
    x = 336,630,139.91

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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.