Home / 31,492,880,680.40-47,246,123,465.40-9,412,144,859.60

Finding the Fourth Proportional to 31,492,880,680.40, 47,246,123,465.40 and 9,412,144,859.60

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Solution

The fourth proportional to 31,492,880,680.40, 47,246,123,465.40 and 9,412,144,859.60 is: 14,120,250,307.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,492,880,680.40 : 47,246,123,465.40 = 9,412,144,859.60 : x
  2. Step 2: Convert to fraction form
    31,492,880,680.40/47,246,123,465.40 = 9,412,144,859.60/x
  3. Step 3: Cross multiply
    31,492,880,680.40x = 47,246,123,465.40 × 9,412,144,859.60
  4. Step 4: Simplify right side
    31,492,880,680.40x = 444,687,358,110,891,573,248
  5. Step 5: Solve for x
    x = 444,687,358,110,891,573,248/31,492,880,680.40
  6. Step 6: Final answer
    x = 14,120,250,307.48

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1.5x scale

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.