Home / 519,453,875.07-716,847,038.91-281,299,470.44

Finding the Fourth Proportional to 519,453,875.07, 716,847,038.91 and 281,299,470.44

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Solution

The fourth proportional to 519,453,875.07, 716,847,038.91 and 281,299,470.44 is: 388,193,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,453,875.07 : 716,847,038.91 = 281,299,470.44 : x
  2. Step 2: Convert to fraction form
    519,453,875.07/716,847,038.91 = 281,299,470.44/x
  3. Step 3: Cross multiply
    519,453,875.07x = 716,847,038.91 × 281,299,470.44
  4. Step 4: Simplify right side
    519,453,875.07x = 201,648,692,428,280,832
  5. Step 5: Solve for x
    x = 201,648,692,428,280,832/519,453,875.07
  6. Step 6: Final answer
    x = 388,193,643.57

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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.