Home / 612,116,714.70-919,966,662.45-533,286,737.10

Finding the Fourth Proportional to 612,116,714.70, 919,966,662.45 and 533,286,737.10

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Solution

The fourth proportional to 612,116,714.70, 919,966,662.45 and 533,286,737.10 is: 801,490,970.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,116,714.70 : 919,966,662.45 = 533,286,737.10 : x
  2. Step 2: Convert to fraction form
    612,116,714.70/919,966,662.45 = 533,286,737.10/x
  3. Step 3: Cross multiply
    612,116,714.70x = 919,966,662.45 × 533,286,737.10
  4. Step 4: Simplify right side
    612,116,714.70x = 490,606,019,658,737,664
  5. Step 5: Solve for x
    x = 490,606,019,658,737,664/612,116,714.70
  6. Step 6: Final answer
    x = 801,490,970.39

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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.