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Finding the Fourth Proportional to 620,113,607.99, 930,352,013.78 and 183,425,921.01

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Solution

The fourth proportional to 620,113,607.99, 930,352,013.78 and 183,425,921.01 is: 275,192,598.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,113,607.99 : 930,352,013.78 = 183,425,921.01 : x
  2. Step 2: Convert to fraction form
    620,113,607.99/930,352,013.78 = 183,425,921.01/x
  3. Step 3: Cross multiply
    620,113,607.99x = 930,352,013.78 × 183,425,921.01
  4. Step 4: Simplify right side
    620,113,607.99x = 170,650,674,990,187,584
  5. Step 5: Solve for x
    x = 170,650,674,990,187,584/620,113,607.99
  6. Step 6: Final answer
    x = 275,192,598.25

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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.