Home / 812,020,204.49-1,218,292,622.49-375,607,166.30

Finding the Fourth Proportional to 812,020,204.49, 1,218,292,622.49 and 375,607,166.30

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Solution

The fourth proportional to 812,020,204.49, 1,218,292,622.49 and 375,607,166.30 is: 563,532,085.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,020,204.49 : 1,218,292,622.49 = 375,607,166.30 : x
  2. Step 2: Convert to fraction form
    812,020,204.49/1,218,292,622.49 = 375,607,166.30/x
  3. Step 3: Cross multiply
    812,020,204.49x = 1,218,292,622.49 × 375,607,166.30
  4. Step 4: Simplify right side
    812,020,204.49x = 457,599,439,651,573,120
  5. Step 5: Solve for x
    x = 457,599,439,651,573,120/812,020,204.49
  6. Step 6: Final answer
    x = 563,532,085.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.