Home / 1,223,139,701.70-1,834,709,552.55-764,492,559.30

Finding the Fourth Proportional to 1,223,139,701.70, 1,834,709,552.55 and 764,492,559.30

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Solution

The fourth proportional to 1,223,139,701.70, 1,834,709,552.55 and 764,492,559.30 is: 1,146,738,838.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,139,701.70 : 1,834,709,552.55 = 764,492,559.30 : x
  2. Step 2: Convert to fraction form
    1,223,139,701.70/1,834,709,552.55 = 764,492,559.30/x
  3. Step 3: Cross multiply
    1,223,139,701.70x = 1,834,709,552.55 × 764,492,559.30
  4. Step 4: Simplify right side
    1,223,139,701.70x = 1,402,621,801,401,107,200
  5. Step 5: Solve for x
    x = 1,402,621,801,401,107,200/1,223,139,701.70
  6. Step 6: Final answer
    x = 1,146,738,838.95

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Double scale
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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.