Home / 456,762,279.51-630,315,067.14-247,913,938.13

Finding the Fourth Proportional to 456,762,279.51, 630,315,067.14 and 247,913,938.13

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Solution

The fourth proportional to 456,762,279.51, 630,315,067.14 and 247,913,938.13 is: 342,112,073.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,762,279.51 : 630,315,067.14 = 247,913,938.13 : x
  2. Step 2: Convert to fraction form
    456,762,279.51/630,315,067.14 = 247,913,938.13/x
  3. Step 3: Cross multiply
    456,762,279.51x = 630,315,067.14 × 247,913,938.13
  4. Step 4: Simplify right side
    456,762,279.51x = 156,263,890,554,201,184
  5. Step 5: Solve for x
    x = 156,263,890,554,201,184/456,762,279.51
  6. Step 6: Final answer
    x = 342,112,073.53

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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.