Home / 511,488,052.80-767,232,079.20-469,161,729.60

Finding the Fourth Proportional to 511,488,052.80, 767,232,079.20 and 469,161,729.60

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Solution

The fourth proportional to 511,488,052.80, 767,232,079.20 and 469,161,729.60 is: 703,742,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,488,052.80 : 767,232,079.20 = 469,161,729.60 : x
  2. Step 2: Convert to fraction form
    511,488,052.80/767,232,079.20 = 469,161,729.60/x
  3. Step 3: Cross multiply
    511,488,052.80x = 767,232,079.20 × 469,161,729.60
  4. Step 4: Simplify right side
    511,488,052.80x = 359,955,929,282,076,224
  5. Step 5: Solve for x
    x = 359,955,929,282,076,224/511,488,052.80
  6. Step 6: Final answer
    x = 703,742,594.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.