Home / 19,409,539,324.80-29,114,308,987.20-6,989,786,774.40

Finding the Fourth Proportional to 19,409,539,324.80, 29,114,308,987.20 and 6,989,786,774.40

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Solution

The fourth proportional to 19,409,539,324.80, 29,114,308,987.20 and 6,989,786,774.40 is: 10,484,680,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409,539,324.80 : 29,114,308,987.20 = 6,989,786,774.40 : x
  2. Step 2: Convert to fraction form
    19,409,539,324.80/29,114,308,987.20 = 6,989,786,774.40/x
  3. Step 3: Cross multiply
    19,409,539,324.80x = 29,114,308,987.20 × 6,989,786,774.40
  4. Step 4: Simplify right side
    19,409,539,324.80x = 203,502,811,904,525,598,720
  5. Step 5: Solve for x
    x = 203,502,811,904,525,598,720/19,409,539,324.80
  6. Step 6: Final answer
    x = 10,484,680,161.60

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Double scale
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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.