Home / 889,063,329.83-1,226,906,436.71-487,186,877.81

Finding the Fourth Proportional to 889,063,329.83, 1,226,906,436.71 and 487,186,877.81

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Solution

The fourth proportional to 889,063,329.83, 1,226,906,436.71 and 487,186,877.81 is: 672,317,366.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,063,329.83 : 1,226,906,436.71 = 487,186,877.81 : x
  2. Step 2: Convert to fraction form
    889,063,329.83/1,226,906,436.71 = 487,186,877.81/x
  3. Step 3: Cross multiply
    889,063,329.83x = 1,226,906,436.71 × 487,186,877.81
  4. Step 4: Simplify right side
    889,063,329.83x = 597,732,716,270,022,528
  5. Step 5: Solve for x
    x = 597,732,716,270,022,528/889,063,329.83
  6. Step 6: Final answer
    x = 672,317,366.17

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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.