Home / 31,315,968,243.20-46,973,952,364.80-18,932,495,398.40

Finding the Fourth Proportional to 31,315,968,243.20, 46,973,952,364.80 and 18,932,495,398.40

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Solution

The fourth proportional to 31,315,968,243.20, 46,973,952,364.80 and 18,932,495,398.40 is: 28,398,743,097.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,315,968,243.20 : 46,973,952,364.80 = 18,932,495,398.40 : x
  2. Step 2: Convert to fraction form
    31,315,968,243.20/46,973,952,364.80 = 18,932,495,398.40/x
  3. Step 3: Cross multiply
    31,315,968,243.20x = 46,973,952,364.80 × 18,932,495,398.40
  4. Step 4: Simplify right side
    31,315,968,243.20x = 889,334,136,991,236,882,432
  5. Step 5: Solve for x
    x = 889,334,136,991,236,882,432/31,315,968,243.20
  6. Step 6: Final answer
    x = 28,398,743,097.60

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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.