Home / 571,140,958.88-787,884,451.02-373,018,425.48

Finding the Fourth Proportional to 571,140,958.88, 787,884,451.02 and 373,018,425.48

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Solution

The fourth proportional to 571,140,958.88, 787,884,451.02 and 373,018,425.48 is: 514,575,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,140,958.88 : 787,884,451.02 = 373,018,425.48 : x
  2. Step 2: Convert to fraction form
    571,140,958.88/787,884,451.02 = 373,018,425.48/x
  3. Step 3: Cross multiply
    571,140,958.88x = 787,884,451.02 × 373,018,425.48
  4. Step 4: Simplify right side
    571,140,958.88x = 293,895,417,375,715,200
  5. Step 5: Solve for x
    x = 293,895,417,375,715,200/571,140,958.88
  6. Step 6: Final answer
    x = 514,575,977.80

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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.