Home / 571,141,152.71-787,884,717.43-373,018,619.29

Finding the Fourth Proportional to 571,141,152.71, 787,884,717.43 and 373,018,619.29

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Solution

The fourth proportional to 571,141,152.71, 787,884,717.43 and 373,018,619.29 is: 514,576,244.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,141,152.71 : 787,884,717.43 = 373,018,619.29 : x
  2. Step 2: Convert to fraction form
    571,141,152.71/787,884,717.43 = 373,018,619.29/x
  3. Step 3: Cross multiply
    571,141,152.71x = 787,884,717.43 × 373,018,619.29
  4. Step 4: Simplify right side
    571,141,152.71x = 293,895,669,455,430,400
  5. Step 5: Solve for x
    x = 293,895,669,455,430,400/571,141,152.71
  6. Step 6: Final answer
    x = 514,576,244.53

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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.