Home / 12,331,851,513.53-17,015,038,320.52-6,979,411,870.62

Finding the Fourth Proportional to 12,331,851,513.53, 17,015,038,320.52 and 6,979,411,870.62

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Solution

The fourth proportional to 12,331,851,513.53, 17,015,038,320.52 and 6,979,411,870.62 is: 9,629,937,589.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331,851,513.53 : 17,015,038,320.52 = 6,979,411,870.62 : x
  2. Step 2: Convert to fraction form
    12,331,851,513.53/17,015,038,320.52 = 6,979,411,870.62/x
  3. Step 3: Cross multiply
    12,331,851,513.53x = 17,015,038,320.52 × 6,979,411,870.62
  4. Step 4: Simplify right side
    12,331,851,513.53x = 118,754,960,433,235,492,864
  5. Step 5: Solve for x
    x = 118,754,960,433,235,492,864/12,331,851,513.53
  6. Step 6: Final answer
    x = 9,629,937,589.09

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1.5x scale

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.