Home / 777,018,064,313.45-1,072,212,969,179-429,780,869,702.40

Finding the Fourth Proportional to 777,018,064,313.45, 1,072,212,969,179 and 429,780,869,702.40

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Solution

The fourth proportional to 777,018,064,313.45, 1,072,212,969,179 and 429,780,869,702.40 is: 593,057,798,221.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,018,064,313.45 : 1,072,212,969,179 = 429,780,869,702.40 : x
  2. Step 2: Convert to fraction form
    777,018,064,313.45/1,072,212,969,179 = 429,780,869,702.40/x
  3. Step 3: Cross multiply
    777,018,064,313.45x = 1,072,212,969,179 × 429,780,869,702.40
  4. Step 4: Simplify right side
    777,018,064,313.45x = 460,816,622,399,943,251,853,312
  5. Step 5: Solve for x
    x = 460,816,622,399,943,251,853,312/777,018,064,313.45
  6. Step 6: Final answer
    x = 593,057,798,221.34

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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.