Home / 679,087,150.13-1,018,629,453.83-212,784,271.76

Finding the Fourth Proportional to 679,087,150.13, 1,018,629,453.83 and 212,784,271.76

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Solution

The fourth proportional to 679,087,150.13, 1,018,629,453.83 and 212,784,271.76 is: 319,176,009.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,087,150.13 : 1,018,629,453.83 = 212,784,271.76 : x
  2. Step 2: Convert to fraction form
    679,087,150.13/1,018,629,453.83 = 212,784,271.76/x
  3. Step 3: Cross multiply
    679,087,150.13x = 1,018,629,453.83 × 212,784,271.76
  4. Step 4: Simplify right side
    679,087,150.13x = 216,748,326,525,996,256
  5. Step 5: Solve for x
    x = 216,748,326,525,996,256/679,087,150.13
  6. Step 6: Final answer
    x = 319,176,009.27

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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.