Home / 10,603,391,420.70-15,905,087,131.05-4,701,685,971.60

Finding the Fourth Proportional to 10,603,391,420.70, 15,905,087,131.05 and 4,701,685,971.60

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Solution

The fourth proportional to 10,603,391,420.70, 15,905,087,131.05 and 4,701,685,971.60 is: 7,052,528,957.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,603,391,420.70 : 15,905,087,131.05 = 4,701,685,971.60 : x
  2. Step 2: Convert to fraction form
    10,603,391,420.70/15,905,087,131.05 = 4,701,685,971.60/x
  3. Step 3: Cross multiply
    10,603,391,420.70x = 15,905,087,131.05 × 4,701,685,971.60
  4. Step 4: Simplify right side
    10,603,391,420.70x = 74,780,725,041,133,486,080
  5. Step 5: Solve for x
    x = 74,780,725,041,133,486,080/10,603,391,420.70
  6. Step 6: Final answer
    x = 7,052,528,957.40

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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.