Home / 385,714,077.76-532,292,440.44-218,485,061.20

Finding the Fourth Proportional to 385,714,077.76, 532,292,440.44 and 218,485,061.20

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Solution

The fourth proportional to 385,714,077.76, 532,292,440.44 and 218,485,061.20 is: 301,513,357.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,714,077.76 : 532,292,440.44 = 218,485,061.20 : x
  2. Step 2: Convert to fraction form
    385,714,077.76/532,292,440.44 = 218,485,061.20/x
  3. Step 3: Cross multiply
    385,714,077.76x = 532,292,440.44 × 218,485,061.20
  4. Step 4: Simplify right side
    385,714,077.76x = 116,297,946,425,830,752
  5. Step 5: Solve for x
    x = 116,297,946,425,830,752/385,714,077.76
  6. Step 6: Final answer
    x = 301,513,357.00

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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.