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Finding the Fourth Proportional to 605,097,244.30, 907,645,866.45 and 519,003,802.30

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Solution

The fourth proportional to 605,097,244.30, 907,645,866.45 and 519,003,802.30 is: 778,505,703.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,097,244.30 : 907,645,866.45 = 519,003,802.30 : x
  2. Step 2: Convert to fraction form
    605,097,244.30/907,645,866.45 = 519,003,802.30/x
  3. Step 3: Cross multiply
    605,097,244.30x = 907,645,866.45 × 519,003,802.30
  4. Step 4: Simplify right side
    605,097,244.30x = 471,071,655,829,428,032
  5. Step 5: Solve for x
    x = 471,071,655,829,428,032/605,097,244.30
  6. Step 6: Final answer
    x = 778,505,703.45

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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.