Home / 1,120,149,104.60-1,680,223,656.90-302,260,093.40

Finding the Fourth Proportional to 1,120,149,104.60, 1,680,223,656.90 and 302,260,093.40

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Solution

The fourth proportional to 1,120,149,104.60, 1,680,223,656.90 and 302,260,093.40 is: 453,390,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,149,104.60 : 1,680,223,656.90 = 302,260,093.40 : x
  2. Step 2: Convert to fraction form
    1,120,149,104.60/1,680,223,656.90 = 302,260,093.40/x
  3. Step 3: Cross multiply
    1,120,149,104.60x = 1,680,223,656.90 × 302,260,093.40
  4. Step 4: Simplify right side
    1,120,149,104.60x = 507,864,559,467,483,520
  5. Step 5: Solve for x
    x = 507,864,559,467,483,520/1,120,149,104.60
  6. Step 6: Final answer
    x = 453,390,140.10

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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.