Home / 849,961,670.82-1,273,975,384.05-517,234,838.01

Finding the Fourth Proportional to 849,961,670.82, 1,273,975,384.05 and 517,234,838.01

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Solution

The fourth proportional to 849,961,670.82, 1,273,975,384.05 and 517,234,838.01 is: 775,263,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,961,670.82 : 1,273,975,384.05 = 517,234,838.01 : x
  2. Step 2: Convert to fraction form
    849,961,670.82/1,273,975,384.05 = 517,234,838.01/x
  3. Step 3: Cross multiply
    849,961,670.82x = 1,273,975,384.05 × 517,234,838.01
  4. Step 4: Simplify right side
    849,961,670.82x = 658,944,451,397,829,248
  5. Step 5: Solve for x
    x = 658,944,451,397,829,248/849,961,670.82
  6. Step 6: Final answer
    x = 775,263,725.44

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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.