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Finding the Fourth Proportional to 636,563,964.60, 954,845,946.90 and 606,431,259.90

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Solution

The fourth proportional to 636,563,964.60, 954,845,946.90 and 606,431,259.90 is: 909,646,889.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,563,964.60 : 954,845,946.90 = 606,431,259.90 : x
  2. Step 2: Convert to fraction form
    636,563,964.60/954,845,946.90 = 606,431,259.90/x
  3. Step 3: Cross multiply
    636,563,964.60x = 954,845,946.90 × 606,431,259.90
  4. Step 4: Simplify right side
    636,563,964.60x = 579,048,430,588,975,488
  5. Step 5: Solve for x
    x = 579,048,430,588,975,488/636,563,964.60
  6. Step 6: Final answer
    x = 909,646,889.85

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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.