Home / 7,539,005,215.40-11,308,507,823.10-6,815,820,302.60

Finding the Fourth Proportional to 7,539,005,215.40, 11,308,507,823.10 and 6,815,820,302.60

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Solution

The fourth proportional to 7,539,005,215.40, 11,308,507,823.10 and 6,815,820,302.60 is: 10,223,730,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539,005,215.40 : 11,308,507,823.10 = 6,815,820,302.60 : x
  2. Step 2: Convert to fraction form
    7,539,005,215.40/11,308,507,823.10 = 6,815,820,302.60/x
  3. Step 3: Cross multiply
    7,539,005,215.40x = 11,308,507,823.10 × 6,815,820,302.60
  4. Step 4: Simplify right side
    7,539,005,215.40x = 77,076,757,212,795,912,192
  5. Step 5: Solve for x
    x = 77,076,757,212,795,912,192/7,539,005,215.40
  6. Step 6: Final answer
    x = 10,223,730,453.90

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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.