Home / 7,488,289,638.20-11,232,434,457.30-5,311,507,302.20

Finding the Fourth Proportional to 7,488,289,638.20, 11,232,434,457.30 and 5,311,507,302.20

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Solution

The fourth proportional to 7,488,289,638.20, 11,232,434,457.30 and 5,311,507,302.20 is: 7,967,260,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488,289,638.20 : 11,232,434,457.30 = 5,311,507,302.20 : x
  2. Step 2: Convert to fraction form
    7,488,289,638.20/11,232,434,457.30 = 5,311,507,302.20/x
  3. Step 3: Cross multiply
    7,488,289,638.20x = 11,232,434,457.30 × 5,311,507,302.20
  4. Step 4: Simplify right side
    7,488,289,638.20x = 59,661,157,641,431,834,624
  5. Step 5: Solve for x
    x = 59,661,157,641,431,834,624/7,488,289,638.20
  6. Step 6: Final answer
    x = 7,967,260,953.30

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Double scale
Find fourth proportional to 7,488,289,639.20, 11,232,434,458.80 and 5,311,507,303.20
Similar ratio
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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.