Home / 528,867,637.20-793,301,455.80-140,689,717.20

Finding the Fourth Proportional to 528,867,637.20, 793,301,455.80 and 140,689,717.20

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Solution

The fourth proportional to 528,867,637.20, 793,301,455.80 and 140,689,717.20 is: 211,034,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,867,637.20 : 793,301,455.80 = 140,689,717.20 : x
  2. Step 2: Convert to fraction form
    528,867,637.20/793,301,455.80 = 140,689,717.20/x
  3. Step 3: Cross multiply
    528,867,637.20x = 793,301,455.80 × 140,689,717.20
  4. Step 4: Simplify right side
    528,867,637.20x = 111,609,357,470,850,288
  5. Step 5: Solve for x
    x = 111,609,357,470,850,288/528,867,637.20
  6. Step 6: Final answer
    x = 211,034,575.80

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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.