Home / 777,018,054,406.05-1,072,212,955,527.70-429,780,859,827.12

Finding the Fourth Proportional to 777,018,054,406.05, 1,072,212,955,527.70 and 429,780,859,827.12

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Solution

The fourth proportional to 777,018,054,406.05, 1,072,212,955,527.70 and 429,780,859,827.12 is: 593,057,784,605.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,018,054,406.05 : 1,072,212,955,527.70 = 429,780,859,827.12 : x
  2. Step 2: Convert to fraction form
    777,018,054,406.05/1,072,212,955,527.70 = 429,780,859,827.12/x
  3. Step 3: Cross multiply
    777,018,054,406.05x = 1,072,212,955,527.70 × 429,780,859,827.12
  4. Step 4: Simplify right side
    777,018,054,406.05x = 460,816,605,944,472,445,911,040
  5. Step 5: Solve for x
    x = 460,816,605,944,472,445,911,040/777,018,054,406.05
  6. Step 6: Final answer
    x = 593,057,784,605.43

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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.