Home / 1,091,536,161.31-1,506,319,902.59-621,681,201.59

Finding the Fourth Proportional to 1,091,536,161.31, 1,506,319,902.59 and 621,681,201.59

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Solution

The fourth proportional to 1,091,536,161.31, 1,506,319,902.59 and 621,681,201.59 is: 857,920,058.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,536,161.31 : 1,506,319,902.59 = 621,681,201.59 : x
  2. Step 2: Convert to fraction form
    1,091,536,161.31/1,506,319,902.59 = 621,681,201.59/x
  3. Step 3: Cross multiply
    1,091,536,161.31x = 1,506,319,902.59 × 621,681,201.59
  4. Step 4: Simplify right side
    1,091,536,161.31x = 936,450,767,024,468,608
  5. Step 5: Solve for x
    x = 936,450,767,024,468,608/1,091,536,161.31
  6. Step 6: Final answer
    x = 857,920,058.19

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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.