Home / 525,748,360.71-788,600,619.09-137,562,596.67

Finding the Fourth Proportional to 525,748,360.71, 788,600,619.09 and 137,562,596.67

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Solution

The fourth proportional to 525,748,360.71, 788,600,619.09 and 137,562,596.67 is: 206,338,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,748,360.71 : 788,600,619.09 = 137,562,596.67 : x
  2. Step 2: Convert to fraction form
    525,748,360.71/788,600,619.09 = 137,562,596.67/x
  3. Step 3: Cross multiply
    525,748,360.71x = 788,600,619.09 × 137,562,596.67
  4. Step 4: Simplify right side
    525,748,360.71x = 108,481,948,897,589,968
  5. Step 5: Solve for x
    x = 108,481,948,897,589,968/525,748,360.71
  6. Step 6: Final answer
    x = 206,338,159.10

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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.