Home / 7,914,672,051.60-11,872,008,077.40-7,237,450,880.40

Finding the Fourth Proportional to 7,914,672,051.60, 11,872,008,077.40 and 7,237,450,880.40

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Solution

The fourth proportional to 7,914,672,051.60, 11,872,008,077.40 and 7,237,450,880.40 is: 10,856,176,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914,672,051.60 : 11,872,008,077.40 = 7,237,450,880.40 : x
  2. Step 2: Convert to fraction form
    7,914,672,051.60/11,872,008,077.40 = 7,237,450,880.40/x
  3. Step 3: Cross multiply
    7,914,672,051.60x = 11,872,008,077.40 × 7,237,450,880.40
  4. Step 4: Simplify right side
    7,914,672,051.60x = 85,923,075,311,894,528,000
  5. Step 5: Solve for x
    x = 85,923,075,311,894,528,000/7,914,672,051.60
  6. Step 6: Final answer
    x = 10,856,176,320.60

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Double scale
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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.