Home / 777,018,054,444.12-1,072,212,955,580.20-429,780,859,865.10

Finding the Fourth Proportional to 777,018,054,444.12, 1,072,212,955,580.20 and 429,780,859,865.10

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Solution

The fourth proportional to 777,018,054,444.12, 1,072,212,955,580.20 and 429,780,859,865.10 is: 593,057,784,657.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,018,054,444.12 : 1,072,212,955,580.20 = 429,780,859,865.10 : x
  2. Step 2: Convert to fraction form
    777,018,054,444.12/1,072,212,955,580.20 = 429,780,859,865.10/x
  3. Step 3: Cross multiply
    777,018,054,444.12x = 1,072,212,955,580.20 × 429,780,859,865.10
  4. Step 4: Simplify right side
    777,018,054,444.12x = 460,816,606,007,758,587,691,008
  5. Step 5: Solve for x
    x = 460,816,606,007,758,587,691,008/777,018,054,444.12
  6. Step 6: Final answer
    x = 593,057,784,657.82

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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.