Home / 651,917,245.57-977,881,921.44-185,578,653.21

Finding the Fourth Proportional to 651,917,245.57, 977,881,921.44 and 185,578,653.21

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Solution

The fourth proportional to 651,917,245.57, 977,881,921.44 and 185,578,653.21 is: 278,369,702.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,917,245.57 : 977,881,921.44 = 185,578,653.21 : x
  2. Step 2: Convert to fraction form
    651,917,245.57/977,881,921.44 = 185,578,653.21/x
  3. Step 3: Cross multiply
    651,917,245.57x = 977,881,921.44 × 185,578,653.21
  4. Step 4: Simplify right side
    651,917,245.57x = 181,474,009,980,903,872
  5. Step 5: Solve for x
    x = 181,474,009,980,903,872/651,917,245.57
  6. Step 6: Final answer
    x = 278,369,702.92

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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.