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Finding the Fourth Proportional to 1,346,735,485.04, 1,858,531,398.36 and 817,978,215.92

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Solution

The fourth proportional to 1,346,735,485.04, 1,858,531,398.36 and 817,978,215.92 is: 1,128,832,064.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,735,485.04 : 1,858,531,398.36 = 817,978,215.92 : x
  2. Step 2: Convert to fraction form
    1,346,735,485.04/1,858,531,398.36 = 817,978,215.92/x
  3. Step 3: Cross multiply
    1,346,735,485.04x = 1,858,531,398.36 × 817,978,215.92
  4. Step 4: Simplify right side
    1,346,735,485.04x = 1,520,238,197,461,815,552
  5. Step 5: Solve for x
    x = 1,520,238,197,461,815,552/1,346,735,485.04
  6. Step 6: Final answer
    x = 1,128,832,064.16

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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.