Home / 526,083,009.60-789,124,514.40-143,130,561.60

Finding the Fourth Proportional to 526,083,009.60, 789,124,514.40 and 143,130,561.60

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Solution

The fourth proportional to 526,083,009.60, 789,124,514.40 and 143,130,561.60 is: 214,695,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,083,009.60 : 789,124,514.40 = 143,130,561.60 : x
  2. Step 2: Convert to fraction form
    526,083,009.60/789,124,514.40 = 143,130,561.60/x
  3. Step 3: Cross multiply
    526,083,009.60x = 789,124,514.40 × 143,130,561.60
  4. Step 4: Simplify right side
    526,083,009.60x = 112,947,834,918,399,280
  5. Step 5: Solve for x
    x = 112,947,834,918,399,280/526,083,009.60
  6. Step 6: Final answer
    x = 214,695,842.40

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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.