Home / 1,119,658,108.80-1,679,373,767.36-301,853,078.40

Finding the Fourth Proportional to 1,119,658,108.80, 1,679,373,767.36 and 301,853,078.40

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Solution

The fourth proportional to 1,119,658,108.80, 1,679,373,767.36 and 301,853,078.40 is: 452,749,046.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,658,108.80 : 1,679,373,767.36 = 301,853,078.40 : x
  2. Step 2: Convert to fraction form
    1,119,658,108.80/1,679,373,767.36 = 301,853,078.40/x
  3. Step 3: Cross multiply
    1,119,658,108.80x = 1,679,373,767.36 × 301,853,078.40
  4. Step 4: Simplify right side
    1,119,658,108.80x = 506,924,141,461,821,376
  5. Step 5: Solve for x
    x = 506,924,141,461,821,376/1,119,658,108.80
  6. Step 6: Final answer
    x = 452,749,046.76

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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.