Home / 12,331,851,522.57-17,015,038,332.93-6,979,411,879.65

Finding the Fourth Proportional to 12,331,851,522.57, 17,015,038,332.93 and 6,979,411,879.65

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Solution

The fourth proportional to 12,331,851,522.57, 17,015,038,332.93 and 6,979,411,879.65 is: 9,629,937,601.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331,851,522.57 : 17,015,038,332.93 = 6,979,411,879.65 : x
  2. Step 2: Convert to fraction form
    12,331,851,522.57/17,015,038,332.93 = 6,979,411,879.65/x
  3. Step 3: Cross multiply
    12,331,851,522.57x = 17,015,038,332.93 × 6,979,411,879.65
  4. Step 4: Simplify right side
    12,331,851,522.57x = 118,754,960,673,551,761,408
  5. Step 5: Solve for x
    x = 118,754,960,673,551,761,408/12,331,851,522.57
  6. Step 6: Final answer
    x = 9,629,937,601.52

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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.