Home / 1,862,116,255.51-2,570,343,129.12-1,109,665,385.09

Finding the Fourth Proportional to 1,862,116,255.51, 2,570,343,129.12 and 1,109,665,385.09

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Solution

The fourth proportional to 1,862,116,255.51, 2,570,343,129.12 and 1,109,665,385.09 is: 1,531,709,306.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862,116,255.51 : 2,570,343,129.12 = 1,109,665,385.09 : x
  2. Step 2: Convert to fraction form
    1,862,116,255.51/2,570,343,129.12 = 1,109,665,385.09/x
  3. Step 3: Cross multiply
    1,862,116,255.51x = 2,570,343,129.12 × 1,109,665,385.09
  4. Step 4: Simplify right side
    1,862,116,255.51x = 2,852,220,798,189,401,600
  5. Step 5: Solve for x
    x = 2,852,220,798,189,401,600/1,862,116,255.51
  6. Step 6: Final answer
    x = 1,531,709,306.42

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Double scale
Find fourth proportional to 1,862,116,256.51, 2,570,343,130.50 and 1,109,665,386.09
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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.