Home / 12,331,851,513.15-17,015,038,320-6,979,411,870.23

Finding the Fourth Proportional to 12,331,851,513.15, 17,015,038,320 and 6,979,411,870.23

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Solution

The fourth proportional to 12,331,851,513.15, 17,015,038,320 and 6,979,411,870.23 is: 9,629,937,588.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331,851,513.15 : 17,015,038,320 = 6,979,411,870.23 : x
  2. Step 2: Convert to fraction form
    12,331,851,513.15/17,015,038,320 = 6,979,411,870.23/x
  3. Step 3: Cross multiply
    12,331,851,513.15x = 17,015,038,320 × 6,979,411,870.23
  4. Step 4: Simplify right side
    12,331,851,513.15x = 118,754,960,423,026,311,168
  5. Step 5: Solve for x
    x = 118,754,960,423,026,311,168/12,331,851,513.15
  6. Step 6: Final answer
    x = 9,629,937,588.56

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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.