Home / 2,650,644,901.95-3,975,967,352.93-1,915,980,863.55

Finding the Fourth Proportional to 2,650,644,901.95, 3,975,967,352.93 and 1,915,980,863.55

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Solution

The fourth proportional to 2,650,644,901.95, 3,975,967,352.93 and 1,915,980,863.55 is: 2,873,971,295.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650,644,901.95 : 3,975,967,352.93 = 1,915,980,863.55 : x
  2. Step 2: Convert to fraction form
    2,650,644,901.95/3,975,967,352.93 = 1,915,980,863.55/x
  3. Step 3: Cross multiply
    2,650,644,901.95x = 3,975,967,352.93 × 1,915,980,863.55
  4. Step 4: Simplify right side
    2,650,644,901.95x = 7,617,877,362,303,849,472
  5. Step 5: Solve for x
    x = 7,617,877,362,303,849,472/2,650,644,901.95
  6. Step 6: Final answer
    x = 2,873,971,295.33

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Double scale
Find fourth proportional to 2,650,644,902.95, 3,975,967,354.43 and 1,915,980,864.55
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.