Home / 497,665,663.70-746,871,743.55-255,203,762.90

Finding the Fourth Proportional to 497,665,663.70, 746,871,743.55 and 255,203,762.90

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Solution

The fourth proportional to 497,665,663.70, 746,871,743.55 and 255,203,762.90 is: 382,997,046.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,665,663.70 : 746,871,743.55 = 255,203,762.90 : x
  2. Step 2: Convert to fraction form
    497,665,663.70/746,871,743.55 = 255,203,762.90/x
  3. Step 3: Cross multiply
    497,665,663.70x = 746,871,743.55 × 255,203,762.90
  4. Step 4: Simplify right side
    497,665,663.70x = 190,604,479,357,643,808
  5. Step 5: Solve for x
    x = 190,604,479,357,643,808/497,665,663.70
  6. Step 6: Final answer
    x = 382,997,046.53

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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.