Home / 1,018,950,254.22-1,528,129,827.72-397,026,765.66

Finding the Fourth Proportional to 1,018,950,254.22, 1,528,129,827.72 and 397,026,765.66

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Solution

The fourth proportional to 1,018,950,254.22, 1,528,129,827.72 and 397,026,765.66 is: 595,424,988.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,950,254.22 : 1,528,129,827.72 = 397,026,765.66 : x
  2. Step 2: Convert to fraction form
    1,018,950,254.22/1,528,129,827.72 = 397,026,765.66/x
  3. Step 3: Cross multiply
    1,018,950,254.22x = 1,528,129,827.72 × 397,026,765.66
  4. Step 4: Simplify right side
    1,018,950,254.22x = 606,708,443,008,244,608
  5. Step 5: Solve for x
    x = 606,708,443,008,244,608/1,018,950,254.22
  6. Step 6: Final answer
    x = 595,424,988.11

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.