Home / 13,153,207,868.40-19,729,811,802.60-10,363,780,347.60

Finding the Fourth Proportional to 13,153,207,868.40, 19,729,811,802.60 and 10,363,780,347.60

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Solution

The fourth proportional to 13,153,207,868.40, 19,729,811,802.60 and 10,363,780,347.60 is: 15,545,670,521.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153,207,868.40 : 19,729,811,802.60 = 10,363,780,347.60 : x
  2. Step 2: Convert to fraction form
    13,153,207,868.40/19,729,811,802.60 = 10,363,780,347.60/x
  3. Step 3: Cross multiply
    13,153,207,868.40x = 19,729,811,802.60 × 10,363,780,347.60
  4. Step 4: Simplify right side
    13,153,207,868.40x = 204,475,435,821,632,389,120
  5. Step 5: Solve for x
    x = 204,475,435,821,632,389,120/13,153,207,868.40
  6. Step 6: Final answer
    x = 15,545,670,521.40

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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.