Home / 777,018,064,313.55-1,072,212,969,179.10-429,780,869,702.45

Finding the Fourth Proportional to 777,018,064,313.55, 1,072,212,969,179.10 and 429,780,869,702.45

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Solution

The fourth proportional to 777,018,064,313.55, 1,072,212,969,179.10 and 429,780,869,702.45 is: 593,057,798,221.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,018,064,313.55 : 1,072,212,969,179.10 = 429,780,869,702.45 : x
  2. Step 2: Convert to fraction form
    777,018,064,313.55/1,072,212,969,179.10 = 429,780,869,702.45/x
  3. Step 3: Cross multiply
    777,018,064,313.55x = 1,072,212,969,179.10 × 429,780,869,702.45
  4. Step 4: Simplify right side
    777,018,064,313.55x = 460,816,622,400,039,821,508,608
  5. Step 5: Solve for x
    x = 460,816,622,400,039,821,508,608/777,018,064,313.55
  6. Step 6: Final answer
    x = 593,057,798,221.39

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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.