Home / 542,018,650.16-812,570,921.40-235,079,576.48

Finding the Fourth Proportional to 542,018,650.16, 812,570,921.40 and 235,079,576.48

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Solution

The fourth proportional to 542,018,650.16, 812,570,921.40 and 235,079,576.48 is: 352,421,135.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,018,650.16 : 812,570,921.40 = 235,079,576.48 : x
  2. Step 2: Convert to fraction form
    542,018,650.16/812,570,921.40 = 235,079,576.48/x
  3. Step 3: Cross multiply
    542,018,650.16x = 812,570,921.40 × 235,079,576.48
  4. Step 4: Simplify right side
    542,018,650.16x = 191,018,828,062,675,360
  5. Step 5: Solve for x
    x = 191,018,828,062,675,360/542,018,650.16
  6. Step 6: Final answer
    x = 352,421,135.34

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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.