Home / 851,195,702.12-1,174,649,538.35-460,055,126.12

Finding the Fourth Proportional to 851,195,702.12, 1,174,649,538.35 and 460,055,126.12

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Solution

The fourth proportional to 851,195,702.12, 1,174,649,538.35 and 460,055,126.12 is: 634,875,787.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,195,702.12 : 1,174,649,538.35 = 460,055,126.12 : x
  2. Step 2: Convert to fraction form
    851,195,702.12/1,174,649,538.35 = 460,055,126.12/x
  3. Step 3: Cross multiply
    851,195,702.12x = 1,174,649,538.35 × 460,055,126.12
  4. Step 4: Simplify right side
    851,195,702.12x = 540,403,541,507,685,888
  5. Step 5: Solve for x
    x = 540,403,541,507,685,888/851,195,702.12
  6. Step 6: Final answer
    x = 634,875,787.28

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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.