Home / 640,064,166.90-960,096,250.35-629,860,499.70

Finding the Fourth Proportional to 640,064,166.90, 960,096,250.35 and 629,860,499.70

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Solution

The fourth proportional to 640,064,166.90, 960,096,250.35 and 629,860,499.70 is: 944,790,749.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,064,166.90 : 960,096,250.35 = 629,860,499.70 : x
  2. Step 2: Convert to fraction form
    640,064,166.90/960,096,250.35 = 629,860,499.70/x
  3. Step 3: Cross multiply
    640,064,166.90x = 960,096,250.35 × 629,860,499.70
  4. Step 4: Simplify right side
    640,064,166.90x = 604,726,704,005,547,392
  5. Step 5: Solve for x
    x = 604,726,704,005,547,392/640,064,166.90
  6. Step 6: Final answer
    x = 944,790,749.55

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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.