Home / 571,141,151.71-787,884,716.05-373,018,618.29

Finding the Fourth Proportional to 571,141,151.71, 787,884,716.05 and 373,018,618.29

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Solution

The fourth proportional to 571,141,151.71, 787,884,716.05 and 373,018,618.29 is: 514,576,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,141,151.71 : 787,884,716.05 = 373,018,618.29 : x
  2. Step 2: Convert to fraction form
    571,141,151.71/787,884,716.05 = 373,018,618.29/x
  3. Step 3: Cross multiply
    571,141,151.71x = 787,884,716.05 × 373,018,618.29
  4. Step 4: Simplify right side
    571,141,151.71x = 293,895,668,152,779,968
  5. Step 5: Solve for x
    x = 293,895,668,152,779,968/571,141,151.71
  6. Step 6: Final answer
    x = 514,576,243.15

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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.