Home / 680,907,124.20-1,021,360,686.30-473,082,637.80

Finding the Fourth Proportional to 680,907,124.20, 1,021,360,686.30 and 473,082,637.80

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Solution

The fourth proportional to 680,907,124.20, 1,021,360,686.30 and 473,082,637.80 is: 709,623,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,907,124.20 : 1,021,360,686.30 = 473,082,637.80 : x
  2. Step 2: Convert to fraction form
    680,907,124.20/1,021,360,686.30 = 473,082,637.80/x
  3. Step 3: Cross multiply
    680,907,124.20x = 1,021,360,686.30 × 473,082,637.80
  4. Step 4: Simplify right side
    680,907,124.20x = 483,188,007,620,022,336
  5. Step 5: Solve for x
    x = 483,188,007,620,022,336/680,907,124.20
  6. Step 6: Final answer
    x = 709,623,956.70

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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.