Home / 10,477,066,861.40-15,715,600,292.10-7,171,078,688.60

Finding the Fourth Proportional to 10,477,066,861.40, 15,715,600,292.10 and 7,171,078,688.60

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Solution

The fourth proportional to 10,477,066,861.40, 15,715,600,292.10 and 7,171,078,688.60 is: 10,756,618,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,477,066,861.40 : 15,715,600,292.10 = 7,171,078,688.60 : x
  2. Step 2: Convert to fraction form
    10,477,066,861.40/15,715,600,292.10 = 7,171,078,688.60/x
  3. Step 3: Cross multiply
    10,477,066,861.40x = 15,715,600,292.10 × 7,171,078,688.60
  4. Step 4: Simplify right side
    10,477,066,861.40x = 112,697,806,333,234,249,728
  5. Step 5: Solve for x
    x = 112,697,806,333,234,249,728/10,477,066,861.40
  6. Step 6: Final answer
    x = 10,756,618,032.90

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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.