Home / 2,155,329,308.55-3,232,993,962.83-930,889,244.55

Finding the Fourth Proportional to 2,155,329,308.55, 3,232,993,962.83 and 930,889,244.55

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Solution

The fourth proportional to 2,155,329,308.55, 3,232,993,962.83 and 930,889,244.55 is: 1,396,333,866.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,329,308.55 : 3,232,993,962.83 = 930,889,244.55 : x
  2. Step 2: Convert to fraction form
    2,155,329,308.55/3,232,993,962.83 = 930,889,244.55/x
  3. Step 3: Cross multiply
    2,155,329,308.55x = 3,232,993,962.83 × 930,889,244.55
  4. Step 4: Simplify right side
    2,155,329,308.55x = 3,009,559,307,688,874,496
  5. Step 5: Solve for x
    x = 3,009,559,307,688,874,496/2,155,329,308.55
  6. Step 6: Final answer
    x = 1,396,333,866.83

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Double scale
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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.