Home / 777,018,064,313.30-1,072,212,969,178.70-429,780,869,702.20

Finding the Fourth Proportional to 777,018,064,313.30, 1,072,212,969,178.70 and 429,780,869,702.20

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Solution

The fourth proportional to 777,018,064,313.30, 1,072,212,969,178.70 and 429,780,869,702.20 is: 593,057,798,221.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,018,064,313.30 : 1,072,212,969,178.70 = 429,780,869,702.20 : x
  2. Step 2: Convert to fraction form
    777,018,064,313.30/1,072,212,969,178.70 = 429,780,869,702.20/x
  3. Step 3: Cross multiply
    777,018,064,313.30x = 1,072,212,969,178.70 × 429,780,869,702.20
  4. Step 4: Simplify right side
    777,018,064,313.30x = 460,816,622,399,599,855,796,224
  5. Step 5: Solve for x
    x = 460,816,622,399,599,855,796,224/777,018,064,313.30
  6. Step 6: Final answer
    x = 593,057,798,221.01

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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.