Home / 13,153,845,652.85-18,152,663,930.35-7,438,984,674.55

Finding the Fourth Proportional to 13,153,845,652.85, 18,152,663,930.35 and 7,438,984,674.55

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Solution

The fourth proportional to 13,153,845,652.85, 18,152,663,930.35 and 7,438,984,674.55 is: 10,266,000,707.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153,845,652.85 : 18,152,663,930.35 = 7,438,984,674.55 : x
  2. Step 2: Convert to fraction form
    13,153,845,652.85/18,152,663,930.35 = 7,438,984,674.55/x
  3. Step 3: Cross multiply
    13,153,845,652.85x = 18,152,663,930.35 × 7,438,984,674.55
  4. Step 4: Simplify right side
    13,153,845,652.85x = 135,037,388,780,062,507,008
  5. Step 5: Solve for x
    x = 135,037,388,780,062,507,008/13,153,845,652.85
  6. Step 6: Final answer
    x = 10,266,000,707.62

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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.