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Finding the Fourth Proportional to 1,712,604,845.80, 2,402,484,078.20 and 1,712,604,845.80

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Solution

The fourth proportional to 1,712,604,845.80, 2,402,484,078.20 and 1,712,604,845.80 is: 2,402,484,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,604,845.80 : 2,402,484,078.20 = 1,712,604,845.80 : x
  2. Step 2: Convert to fraction form
    1,712,604,845.80/2,402,484,078.20 = 1,712,604,845.80/x
  3. Step 3: Cross multiply
    1,712,604,845.80x = 2,402,484,078.20 × 1,712,604,845.80
  4. Step 4: Simplify right side
    1,712,604,845.80x = 4,114,505,874,282,665,472
  5. Step 5: Solve for x
    x = 4,114,505,874,282,665,472/1,712,604,845.80
  6. Step 6: Final answer
    x = 2,402,484,078.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.