Home / 777,018,054,445.65-1,072,212,955,582.20-429,780,859,866.60

Finding the Fourth Proportional to 777,018,054,445.65, 1,072,212,955,582.20 and 429,780,859,866.60

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Solution

The fourth proportional to 777,018,054,445.65, 1,072,212,955,582.20 and 429,780,859,866.60 is: 593,057,784,659.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,018,054,445.65 : 1,072,212,955,582.20 = 429,780,859,866.60 : x
  2. Step 2: Convert to fraction form
    777,018,054,445.65/1,072,212,955,582.20 = 429,780,859,866.60/x
  3. Step 3: Cross multiply
    777,018,054,445.65x = 1,072,212,955,582.20 × 429,780,859,866.60
  4. Step 4: Simplify right side
    777,018,054,445.65x = 460,816,606,010,226,449,055,744
  5. Step 5: Solve for x
    x = 460,816,606,010,226,449,055,744/777,018,054,445.65
  6. Step 6: Final answer
    x = 593,057,784,659.83

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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.