Home / 661,424,927.80-912,759,157.02-364,060,812.28

Finding the Fourth Proportional to 661,424,927.80, 912,759,157.02 and 364,060,812.28

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Solution

The fourth proportional to 661,424,927.80, 912,759,157.02 and 364,060,812.28 is: 502,399,934.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,424,927.80 : 912,759,157.02 = 364,060,812.28 : x
  2. Step 2: Convert to fraction form
    661,424,927.80/912,759,157.02 = 364,060,812.28/x
  3. Step 3: Cross multiply
    661,424,927.80x = 912,759,157.02 × 364,060,812.28
  4. Step 4: Simplify right side
    661,424,927.80x = 332,299,840,120,709,248
  5. Step 5: Solve for x
    x = 332,299,840,120,709,248/661,424,927.80
  6. Step 6: Final answer
    x = 502,399,934.07

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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.