Home / 568,686,159.48-784,553,199.66-345,631,899.72

Finding the Fourth Proportional to 568,686,159.48, 784,553,199.66 and 345,631,899.72

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Solution

The fourth proportional to 568,686,159.48, 784,553,199.66 and 345,631,899.72 is: 476,829,984.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,686,159.48 : 784,553,199.66 = 345,631,899.72 : x
  2. Step 2: Convert to fraction form
    568,686,159.48/784,553,199.66 = 345,631,899.72/x
  3. Step 3: Cross multiply
    568,686,159.48x = 784,553,199.66 × 345,631,899.72
  4. Step 4: Simplify right side
    568,686,159.48x = 271,166,612,829,890,272
  5. Step 5: Solve for x
    x = 271,166,612,829,890,272/568,686,159.48
  6. Step 6: Final answer
    x = 476,829,984.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.