Home / 525,748,358.09-788,600,615.15-137,562,594.05

Finding the Fourth Proportional to 525,748,358.09, 788,600,615.15 and 137,562,594.05

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Solution

The fourth proportional to 525,748,358.09, 788,600,615.15 and 137,562,594.05 is: 206,338,155.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,748,358.09 : 788,600,615.15 = 137,562,594.05 : x
  2. Step 2: Convert to fraction form
    525,748,358.09/788,600,615.15 = 137,562,594.05/x
  3. Step 3: Cross multiply
    525,748,358.09x = 788,600,615.15 × 137,562,594.05
  4. Step 4: Simplify right side
    525,748,358.09x = 108,481,946,284,828,896
  5. Step 5: Solve for x
    x = 108,481,946,284,828,896/525,748,358.09
  6. Step 6: Final answer
    x = 206,338,155.16

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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.