Home / 1,235,484,054.86-1,859,905,428.56-1,125,526,402.58

Finding the Fourth Proportional to 1,235,484,054.86, 1,859,905,428.56 and 1,125,526,402.58

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Solution

The fourth proportional to 1,235,484,054.86, 1,859,905,428.56 and 1,125,526,402.58 is: 1,694,374,490.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,484,054.86 : 1,859,905,428.56 = 1,125,526,402.58 : x
  2. Step 2: Convert to fraction form
    1,235,484,054.86/1,859,905,428.56 = 1,125,526,402.58/x
  3. Step 3: Cross multiply
    1,235,484,054.86x = 1,859,905,428.56 × 1,125,526,402.58
  4. Step 4: Simplify right side
    1,235,484,054.86x = 2,093,372,666,146,149,888
  5. Step 5: Solve for x
    x = 2,093,372,666,146,149,888/1,235,484,054.86
  6. Step 6: Final answer
    x = 1,694,374,490.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.