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Finding the Fourth Proportional to 637,237,206.40, 955,855,809.60 and 465,050,322.40

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Solution

The fourth proportional to 637,237,206.40, 955,855,809.60 and 465,050,322.40 is: 697,575,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,237,206.40 : 955,855,809.60 = 465,050,322.40 : x
  2. Step 2: Convert to fraction form
    637,237,206.40/955,855,809.60 = 465,050,322.40/x
  3. Step 3: Cross multiply
    637,237,206.40x = 955,855,809.60 × 465,050,322.40
  4. Step 4: Simplify right side
    637,237,206.40x = 444,521,052,422,393,024
  5. Step 5: Solve for x
    x = 444,521,052,422,393,024/637,237,206.40
  6. Step 6: Final answer
    x = 697,575,483.60

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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.