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Finding the Fourth Proportional to 901,969,699, 1,244,697,014.46 and 530,715,776.44

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Solution

The fourth proportional to 901,969,699, 1,244,697,014.46 and 530,715,776.44 is: 732,375,315.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,969,699 : 1,244,697,014.46 = 530,715,776.44 : x
  2. Step 2: Convert to fraction form
    901,969,699/1,244,697,014.46 = 530,715,776.44/x
  3. Step 3: Cross multiply
    901,969,699x = 1,244,697,014.46 × 530,715,776.44
  4. Step 4: Simplify right side
    901,969,699x = 660,580,342,461,688,832
  5. Step 5: Solve for x
    x = 660,580,342,461,688,832/901,969,699
  6. Step 6: Final answer
    x = 732,375,315.04

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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.