Home / 1,120,149,348.60-1,680,224,022.90-302,260,337.40

Finding the Fourth Proportional to 1,120,149,348.60, 1,680,224,022.90 and 302,260,337.40

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Solution

The fourth proportional to 1,120,149,348.60, 1,680,224,022.90 and 302,260,337.40 is: 453,390,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,149,348.60 : 1,680,224,022.90 = 302,260,337.40 : x
  2. Step 2: Convert to fraction form
    1,120,149,348.60/1,680,224,022.90 = 302,260,337.40/x
  3. Step 3: Cross multiply
    1,120,149,348.60x = 1,680,224,022.90 × 302,260,337.40
  4. Step 4: Simplify right side
    1,120,149,348.60x = 507,865,080,069,339,328
  5. Step 5: Solve for x
    x = 507,865,080,069,339,328/1,120,149,348.60
  6. Step 6: Final answer
    x = 453,390,506.10

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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.