Home / 901,640,279,102.90-1,244,264,386,927.10-490,108,757,803.72

Finding the Fourth Proportional to 901,640,279,102.90, 1,244,264,386,927.10 and 490,108,757,803.72

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Solution

The fourth proportional to 901,640,279,102.90, 1,244,264,386,927.10 and 490,108,757,803.72 is: 676,350,521,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,640,279,102.90 : 1,244,264,386,927.10 = 490,108,757,803.72 : x
  2. Step 2: Convert to fraction form
    901,640,279,102.90/1,244,264,386,927.10 = 490,108,757,803.72/x
  3. Step 3: Cross multiply
    901,640,279,102.90x = 1,244,264,386,927.10 × 490,108,757,803.72
  4. Step 4: Simplify right side
    901,640,279,102.90x = 609,824,873,056,248,277,237,760
  5. Step 5: Solve for x
    x = 609,824,873,056,248,277,237,760/901,640,279,102.90
  6. Step 6: Final answer
    x = 676,350,521,588.28

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Double scale
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1.5x scale

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.