Home / 1,305,219,986.16-1,801,203,775.20-710,508,985.26

Finding the Fourth Proportional to 1,305,219,986.16, 1,801,203,775.20 and 710,508,985.26

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Solution

The fourth proportional to 1,305,219,986.16, 1,801,203,775.20 and 710,508,985.26 is: 980,502,505.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,219,986.16 : 1,801,203,775.20 = 710,508,985.26 : x
  2. Step 2: Convert to fraction form
    1,305,219,986.16/1,801,203,775.20 = 710,508,985.26/x
  3. Step 3: Cross multiply
    1,305,219,986.16x = 1,801,203,775.20 × 710,508,985.26
  4. Step 4: Simplify right side
    1,305,219,986.16x = 1,279,771,466,563,833,088
  5. Step 5: Solve for x
    x = 1,279,771,466,563,833,088/1,305,219,986.16
  6. Step 6: Final answer
    x = 980,502,505.43

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Half scale
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Double scale
Find fourth proportional to 1,305,219,987.16, 1,801,203,776.58 and 710,508,986.26
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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.