Home / 661,424,928.02-912,759,157.31-364,060,812.50

Finding the Fourth Proportional to 661,424,928.02, 912,759,157.31 and 364,060,812.50

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Solution

The fourth proportional to 661,424,928.02, 912,759,157.31 and 364,060,812.50 is: 502,399,934.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,424,928.02 : 912,759,157.31 = 364,060,812.50 : x
  2. Step 2: Convert to fraction form
    661,424,928.02/912,759,157.31 = 364,060,812.50/x
  3. Step 3: Cross multiply
    661,424,928.02x = 912,759,157.31 × 364,060,812.50
  4. Step 4: Simplify right side
    661,424,928.02x = 332,299,840,424,132,608
  5. Step 5: Solve for x
    x = 332,299,840,424,132,608/661,424,928.02
  6. Step 6: Final answer
    x = 502,399,934.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.