Home / 777,018,054,403.90-1,072,212,955,524.90-429,780,859,825

Finding the Fourth Proportional to 777,018,054,403.90, 1,072,212,955,524.90 and 429,780,859,825

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Solution

The fourth proportional to 777,018,054,403.90, 1,072,212,955,524.90 and 429,780,859,825 is: 593,057,784,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,018,054,403.90 : 1,072,212,955,524.90 = 429,780,859,825 : x
  2. Step 2: Convert to fraction form
    777,018,054,403.90/1,072,212,955,524.90 = 429,780,859,825/x
  3. Step 3: Cross multiply
    777,018,054,403.90x = 1,072,212,955,524.90 × 429,780,859,825
  4. Step 4: Simplify right side
    777,018,054,403.90x = 460,816,605,940,996,005,429,248
  5. Step 5: Solve for x
    x = 460,816,605,940,996,005,429,248/777,018,054,403.90
  6. Step 6: Final answer
    x = 593,057,784,602.60

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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.