Home / 748,475,827.22-1,032,854,874.02-409,317,374.43

Finding the Fourth Proportional to 748,475,827.22, 1,032,854,874.02 and 409,317,374.43

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Solution

The fourth proportional to 748,475,827.22, 1,032,854,874.02 and 409,317,374.43 is: 564,835,135.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,475,827.22 : 1,032,854,874.02 = 409,317,374.43 : x
  2. Step 2: Convert to fraction form
    748,475,827.22/1,032,854,874.02 = 409,317,374.43/x
  3. Step 3: Cross multiply
    748,475,827.22x = 1,032,854,874.02 × 409,317,374.43
  4. Step 4: Simplify right side
    748,475,827.22x = 422,765,445,201,094,848
  5. Step 5: Solve for x
    x = 422,765,445,201,094,848/748,475,827.22
  6. Step 6: Final answer
    x = 564,835,135.39

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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.