Home / 7,243,391,968.40-10,865,087,952.60-3,937,403,795.60

Finding the Fourth Proportional to 7,243,391,968.40, 10,865,087,952.60 and 3,937,403,795.60

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Solution

The fourth proportional to 7,243,391,968.40, 10,865,087,952.60 and 3,937,403,795.60 is: 5,906,105,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,391,968.40 : 10,865,087,952.60 = 3,937,403,795.60 : x
  2. Step 2: Convert to fraction form
    7,243,391,968.40/10,865,087,952.60 = 3,937,403,795.60/x
  3. Step 3: Cross multiply
    7,243,391,968.40x = 10,865,087,952.60 × 3,937,403,795.60
  4. Step 4: Simplify right side
    7,243,391,968.40x = 42,780,238,544,095,076,352
  5. Step 5: Solve for x
    x = 42,780,238,544,095,076,352/7,243,391,968.40
  6. Step 6: Final answer
    x = 5,906,105,693.40

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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.