Home / 519,459,856.79-716,866,201.08-296,437,098.20

Finding the Fourth Proportional to 519,459,856.79, 716,866,201.08 and 296,437,098.20

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Solution

The fourth proportional to 519,459,856.79, 716,866,201.08 and 296,437,098.20 is: 409,089,814.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,459,856.79 : 716,866,201.08 = 296,437,098.20 : x
  2. Step 2: Convert to fraction form
    519,459,856.79/716,866,201.08 = 296,437,098.20/x
  3. Step 3: Cross multiply
    519,459,856.79x = 716,866,201.08 × 296,437,098.20
  4. Step 4: Simplify right side
    519,459,856.79x = 212,505,736,442,228,576
  5. Step 5: Solve for x
    x = 212,505,736,442,228,576/519,459,856.79
  6. Step 6: Final answer
    x = 409,089,814.48

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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.