Home / 286,619,348.40-429,929,022.60-171,544,657.20

Finding the Fourth Proportional to 286,619,348.40, 429,929,022.60 and 171,544,657.20

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Solution

The fourth proportional to 286,619,348.40, 429,929,022.60 and 171,544,657.20 is: 257,316,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,619,348.40 : 429,929,022.60 = 171,544,657.20 : x
  2. Step 2: Convert to fraction form
    286,619,348.40/429,929,022.60 = 171,544,657.20/x
  3. Step 3: Cross multiply
    286,619,348.40x = 429,929,022.60 × 171,544,657.20
  4. Step 4: Simplify right side
    286,619,348.40x = 73,752,026,802,248,048
  5. Step 5: Solve for x
    x = 73,752,026,802,248,048/286,619,348.40
  6. Step 6: Final answer
    x = 257,316,985.80

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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.