Home / 661,236,927.84-912,515,355-363,913,403.04

Finding the Fourth Proportional to 661,236,927.84, 912,515,355 and 363,913,403.04

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Solution

The fourth proportional to 661,236,927.84, 912,515,355 and 363,913,403.04 is: 502,205,116.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,236,927.84 : 912,515,355 = 363,913,403.04 : x
  2. Step 2: Convert to fraction form
    661,236,927.84/912,515,355 = 363,913,403.04/x
  3. Step 3: Cross multiply
    661,236,927.84x = 912,515,355 × 363,913,403.04
  4. Step 4: Simplify right side
    661,236,927.84x = 332,076,568,164,303,680
  5. Step 5: Solve for x
    x = 332,076,568,164,303,680/661,236,927.84
  6. Step 6: Final answer
    x = 502,205,116.17

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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.