Home / 511,817,865,621.40-705,968,559,597.44-329,145,911,864.32

Finding the Fourth Proportional to 511,817,865,621.40, 705,968,559,597.44 and 329,145,911,864.32

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Solution

The fourth proportional to 511,817,865,621.40, 705,968,559,597.44 and 329,145,911,864.32 is: 454,002,646,066.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,817,865,621.40 : 705,968,559,597.44 = 329,145,911,864.32 : x
  2. Step 2: Convert to fraction form
    511,817,865,621.40/705,968,559,597.44 = 329,145,911,864.32/x
  3. Step 3: Cross multiply
    511,817,865,621.40x = 705,968,559,597.44 × 329,145,911,864.32
  4. Step 4: Simplify right side
    511,817,865,621.40x = 232,366,665,296,239,906,521,088
  5. Step 5: Solve for x
    x = 232,366,665,296,239,906,521,088/511,817,865,621.40
  6. Step 6: Final answer
    x = 454,002,646,066.53

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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.