Home / 6,899,642,080.50-9,529,360,147.36-4,637,654,503.94

Finding the Fourth Proportional to 6,899,642,080.50, 9,529,360,147.36 and 4,637,654,503.94

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Solution

The fourth proportional to 6,899,642,080.50, 9,529,360,147.36 and 4,637,654,503.94 is: 6,405,242,401.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899,642,080.50 : 9,529,360,147.36 = 4,637,654,503.94 : x
  2. Step 2: Convert to fraction form
    6,899,642,080.50/9,529,360,147.36 = 4,637,654,503.94/x
  3. Step 3: Cross multiply
    6,899,642,080.50x = 9,529,360,147.36 × 4,637,654,503.94
  4. Step 4: Simplify right side
    6,899,642,080.50x = 44,193,880,007,070,441,472
  5. Step 5: Solve for x
    x = 44,193,880,007,070,441,472/6,899,642,080.50
  6. Step 6: Final answer
    x = 6,405,242,401.19

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.