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Finding the Fourth Proportional to 849,197,954.88, 1,172,254,763.52 and 570,900,888

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Solution

The fourth proportional to 849,197,954.88, 1,172,254,763.52 and 570,900,888 is: 788,086,313.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,197,954.88 : 1,172,254,763.52 = 570,900,888 : x
  2. Step 2: Convert to fraction form
    849,197,954.88/1,172,254,763.52 = 570,900,888/x
  3. Step 3: Cross multiply
    849,197,954.88x = 1,172,254,763.52 × 570,900,888
  4. Step 4: Simplify right side
    849,197,954.88x = 669,241,285,455,798,016
  5. Step 5: Solve for x
    x = 669,241,285,455,798,016/849,197,954.88
  6. Step 6: Final answer
    x = 788,086,313.22

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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.