Home / 765,364,051.70-1,055,638,442.31-577,200,266.10

Finding the Fourth Proportional to 765,364,051.70, 1,055,638,442.31 and 577,200,266.10

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Solution

The fourth proportional to 765,364,051.70, 1,055,638,442.31 and 577,200,266.10 is: 796,111,064.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,364,051.70 : 1,055,638,442.31 = 577,200,266.10 : x
  2. Step 2: Convert to fraction form
    765,364,051.70/1,055,638,442.31 = 577,200,266.10/x
  3. Step 3: Cross multiply
    765,364,051.70x = 1,055,638,442.31 × 577,200,266.10
  4. Step 4: Simplify right side
    765,364,051.70x = 609,314,789,806,721,536
  5. Step 5: Solve for x
    x = 609,314,789,806,721,536/765,364,051.70
  6. Step 6: Final answer
    x = 796,111,064.35

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Double scale
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1.5x scale

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.