Home / 849,780,372.94-1,274,612,051.68-522,306,428.74

Finding the Fourth Proportional to 849,780,372.94, 1,274,612,051.68 and 522,306,428.74

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Solution

The fourth proportional to 849,780,372.94, 1,274,612,051.68 and 522,306,428.74 is: 783,423,682.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,780,372.94 : 1,274,612,051.68 = 522,306,428.74 : x
  2. Step 2: Convert to fraction form
    849,780,372.94/1,274,612,051.68 = 522,306,428.74/x
  3. Step 3: Cross multiply
    849,780,372.94x = 1,274,612,051.68 × 522,306,428.74
  4. Step 4: Simplify right side
    849,780,372.94x = 665,738,068,737,452,800
  5. Step 5: Solve for x
    x = 665,738,068,737,452,800/849,780,372.94
  6. Step 6: Final answer
    x = 783,423,682.09

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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.