Home / 788,328,169.92-1,182,609,816.16-290,300,362.46

Finding the Fourth Proportional to 788,328,169.92, 1,182,609,816.16 and 290,300,362.46

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Solution

The fourth proportional to 788,328,169.92, 1,182,609,816.16 and 290,300,362.46 is: 435,493,835.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,328,169.92 : 1,182,609,816.16 = 290,300,362.46 : x
  2. Step 2: Convert to fraction form
    788,328,169.92/1,182,609,816.16 = 290,300,362.46/x
  3. Step 3: Cross multiply
    788,328,169.92x = 1,182,609,816.16 × 290,300,362.46
  4. Step 4: Simplify right side
    788,328,169.92x = 343,312,058,280,001,984
  5. Step 5: Solve for x
    x = 343,312,058,280,001,984/788,328,169.92
  6. Step 6: Final answer
    x = 435,493,835.41

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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.