Home / 517,495,248.80-714,206,067-294,531,143.12

Finding the Fourth Proportional to 517,495,248.80, 714,206,067 and 294,531,143.12

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Solution

The fourth proportional to 517,495,248.80, 714,206,067 and 294,531,143.12 is: 406,488,619.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,495,248.80 : 714,206,067 = 294,531,143.12 : x
  2. Step 2: Convert to fraction form
    517,495,248.80/714,206,067 = 294,531,143.12/x
  3. Step 3: Cross multiply
    517,495,248.80x = 714,206,067 × 294,531,143.12
  4. Step 4: Simplify right side
    517,495,248.80x = 210,355,929,336,749,312
  5. Step 5: Solve for x
    x = 210,355,929,336,749,312/517,495,248.80
  6. Step 6: Final answer
    x = 406,488,619.60

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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.