Home / 1,432,054,788-1,976,128,773.84-805,402,146.96

Finding the Fourth Proportional to 1,432,054,788, 1,976,128,773.84 and 805,402,146.96

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Solution

The fourth proportional to 1,432,054,788, 1,976,128,773.84 and 805,402,146.96 is: 1,111,394,878.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,054,788 : 1,976,128,773.84 = 805,402,146.96 : x
  2. Step 2: Convert to fraction form
    1,432,054,788/1,976,128,773.84 = 805,402,146.96/x
  3. Step 3: Cross multiply
    1,432,054,788x = 1,976,128,773.84 × 805,402,146.96
  4. Step 4: Simplify right side
    1,432,054,788x = 1,591,578,357,120,168,192
  5. Step 5: Solve for x
    x = 1,591,578,357,120,168,192/1,432,054,788
  6. Step 6: Final answer
    x = 1,111,394,878.50

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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.