Home / 18,720,771,810.60-28,081,157,715.90-6,294,972,642.60

Finding the Fourth Proportional to 18,720,771,810.60, 28,081,157,715.90 and 6,294,972,642.60

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Solution

The fourth proportional to 18,720,771,810.60, 28,081,157,715.90 and 6,294,972,642.60 is: 9,442,458,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,720,771,810.60 : 28,081,157,715.90 = 6,294,972,642.60 : x
  2. Step 2: Convert to fraction form
    18,720,771,810.60/28,081,157,715.90 = 6,294,972,642.60/x
  3. Step 3: Cross multiply
    18,720,771,810.60x = 28,081,157,715.90 × 6,294,972,642.60
  4. Step 4: Simplify right side
    18,720,771,810.60x = 176,770,119,594,126,409,728
  5. Step 5: Solve for x
    x = 176,770,119,594,126,409,728/18,720,771,810.60
  6. Step 6: Final answer
    x = 9,442,458,963.90

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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.