Home / 520,510,959.45-718,305,070.65-294,445,113.48

Finding the Fourth Proportional to 520,510,959.45, 718,305,070.65 and 294,445,113.48

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Solution

The fourth proportional to 520,510,959.45, 718,305,070.65 and 294,445,113.48 is: 406,334,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,510,959.45 : 718,305,070.65 = 294,445,113.48 : x
  2. Step 2: Convert to fraction form
    520,510,959.45/718,305,070.65 = 294,445,113.48/x
  3. Step 3: Cross multiply
    520,510,959.45x = 718,305,070.65 × 294,445,113.48
  4. Step 4: Simplify right side
    520,510,959.45x = 211,501,418,040,798,688
  5. Step 5: Solve for x
    x = 211,501,418,040,798,688/520,510,959.45
  6. Step 6: Final answer
    x = 406,334,226.40

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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.