Home / 741,528,246.70-1,112,292,370.05-431,166,702.70

Finding the Fourth Proportional to 741,528,246.70, 1,112,292,370.05 and 431,166,702.70

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Solution

The fourth proportional to 741,528,246.70, 1,112,292,370.05 and 431,166,702.70 is: 646,750,054.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,528,246.70 : 1,112,292,370.05 = 431,166,702.70 : x
  2. Step 2: Convert to fraction form
    741,528,246.70/1,112,292,370.05 = 431,166,702.70/x
  3. Step 3: Cross multiply
    741,528,246.70x = 1,112,292,370.05 × 431,166,702.70
  4. Step 4: Simplify right side
    741,528,246.70x = 479,583,433,632,826,688
  5. Step 5: Solve for x
    x = 479,583,433,632,826,688/741,528,246.70
  6. Step 6: Final answer
    x = 646,750,054.05

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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.