Home / 19,314,459,028.60-28,971,688,542.90-18,171,648,302.20

Finding the Fourth Proportional to 19,314,459,028.60, 28,971,688,542.90 and 18,171,648,302.20

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Solution

The fourth proportional to 19,314,459,028.60, 28,971,688,542.90 and 18,171,648,302.20 is: 27,257,472,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,314,459,028.60 : 28,971,688,542.90 = 18,171,648,302.20 : x
  2. Step 2: Convert to fraction form
    19,314,459,028.60/28,971,688,542.90 = 18,171,648,302.20/x
  3. Step 3: Cross multiply
    19,314,459,028.60x = 28,971,688,542.90 × 18,171,648,302.20
  4. Step 4: Simplify right side
    19,314,459,028.60x = 526,463,334,922,456,006,656
  5. Step 5: Solve for x
    x = 526,463,334,922,456,006,656/19,314,459,028.60
  6. Step 6: Final answer
    x = 27,257,472,453.30

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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.