Home / 1,166,929,187.02-1,610,343,330.06-638,288,549.02

Finding the Fourth Proportional to 1,166,929,187.02, 1,610,343,330.06 and 638,288,549.02

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Solution

The fourth proportional to 1,166,929,187.02, 1,610,343,330.06 and 638,288,549.02 is: 880,827,833.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,929,187.02 : 1,610,343,330.06 = 638,288,549.02 : x
  2. Step 2: Convert to fraction form
    1,166,929,187.02/1,610,343,330.06 = 638,288,549.02/x
  3. Step 3: Cross multiply
    1,166,929,187.02x = 1,610,343,330.06 × 638,288,549.02
  4. Step 4: Simplify right side
    1,166,929,187.02x = 1,027,863,707,568,032,256
  5. Step 5: Solve for x
    x = 1,027,863,707,568,032,256/1,166,929,187.02
  6. Step 6: Final answer
    x = 880,827,833.43

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Double scale
Find fourth proportional to 1,166,929,188.02, 1,610,343,331.44 and 638,288,550.02
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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.