Home / 515,900,717.02-773,829,460.36-166,139,043.20

Finding the Fourth Proportional to 515,900,717.02, 773,829,460.36 and 166,139,043.20

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Solution

The fourth proportional to 515,900,717.02, 773,829,460.36 and 166,139,043.20 is: 249,201,603.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,900,717.02 : 773,829,460.36 = 166,139,043.20 : x
  2. Step 2: Convert to fraction form
    515,900,717.02/773,829,460.36 = 166,139,043.20/x
  3. Step 3: Cross multiply
    515,900,717.02x = 773,829,460.36 × 166,139,043.20
  4. Step 4: Simplify right side
    515,900,717.02x = 128,563,286,140,521,248
  5. Step 5: Solve for x
    x = 128,563,286,140,521,248/515,900,717.02
  6. Step 6: Final answer
    x = 249,201,603.91

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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.