Home / 7,539,005,228.40-11,308,507,842.60-6,815,820,315.60

Finding the Fourth Proportional to 7,539,005,228.40, 11,308,507,842.60 and 6,815,820,315.60

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Solution

The fourth proportional to 7,539,005,228.40, 11,308,507,842.60 and 6,815,820,315.60 is: 10,223,730,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539,005,228.40 : 11,308,507,842.60 = 6,815,820,315.60 : x
  2. Step 2: Convert to fraction form
    7,539,005,228.40/11,308,507,842.60 = 6,815,820,315.60/x
  3. Step 3: Cross multiply
    7,539,005,228.40x = 11,308,507,842.60 × 6,815,820,315.60
  4. Step 4: Simplify right side
    7,539,005,228.40x = 77,076,757,492,715,012,096
  5. Step 5: Solve for x
    x = 77,076,757,492,715,012,096/7,539,005,228.40
  6. Step 6: Final answer
    x = 10,223,730,473.40

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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.