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Finding the Fourth Proportional to 1,232,940,921.16, 1,849,411,346 and 568,758,430.58

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Solution

The fourth proportional to 1,232,940,921.16, 1,849,411,346 and 568,758,430.58 is: 853,137,629.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,940,921.16 : 1,849,411,346 = 568,758,430.58 : x
  2. Step 2: Convert to fraction form
    1,232,940,921.16/1,849,411,346 = 568,758,430.58/x
  3. Step 3: Cross multiply
    1,232,940,921.16x = 1,849,411,346 × 568,758,430.58
  4. Step 4: Simplify right side
    1,232,940,921.16x = 1,051,868,294,643,181,824
  5. Step 5: Solve for x
    x = 1,051,868,294,643,181,824/1,232,940,921.16
  6. Step 6: Final answer
    x = 853,137,629.38

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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.