Home / 816,000,967.68-1,223,881,868.39-401,366,492.34

Finding the Fourth Proportional to 816,000,967.68, 1,223,881,868.39 and 401,366,492.34

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Solution

The fourth proportional to 816,000,967.68, 1,223,881,868.39 and 401,366,492.34 is: 601,990,919.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,000,967.68 : 1,223,881,868.39 = 401,366,492.34 : x
  2. Step 2: Convert to fraction form
    816,000,967.68/1,223,881,868.39 = 401,366,492.34/x
  3. Step 3: Cross multiply
    816,000,967.68x = 1,223,881,868.39 × 401,366,492.34
  4. Step 4: Simplify right side
    816,000,967.68x = 491,225,172,552,212,928
  5. Step 5: Solve for x
    x = 491,225,172,552,212,928/816,000,967.68
  6. Step 6: Final answer
    x = 601,990,919.14

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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.