Home / 651,450,197,365.02-977,316,657,679.23-198,157,320,257.43

Finding the Fourth Proportional to 651,450,197,365.02, 977,316,657,679.23 and 198,157,320,257.43

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Solution

The fourth proportional to 651,450,197,365.02, 977,316,657,679.23 and 198,157,320,257.43 is: 297,278,979,593.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,450,197,365.02 : 977,316,657,679.23 = 198,157,320,257.43 : x
  2. Step 2: Convert to fraction form
    651,450,197,365.02/977,316,657,679.23 = 198,157,320,257.43/x
  3. Step 3: Cross multiply
    651,450,197,365.02x = 977,316,657,679.23 × 198,157,320,257.43
  4. Step 4: Simplify right side
    651,450,197,365.02x = 193,662,449,928,664,248,221,696
  5. Step 5: Solve for x
    x = 193,662,449,928,664,248,221,696/651,450,197,365.02
  6. Step 6: Final answer
    x = 297,278,979,593.51

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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.