Home / 528,152,102.10-792,825,349.95-312,862,655.70

Finding the Fourth Proportional to 528,152,102.10, 792,825,349.95 and 312,862,655.70

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Solution

The fourth proportional to 528,152,102.10, 792,825,349.95 and 312,862,655.70 is: 469,647,746.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,152,102.10 : 792,825,349.95 = 312,862,655.70 : x
  2. Step 2: Convert to fraction form
    528,152,102.10/792,825,349.95 = 312,862,655.70/x
  3. Step 3: Cross multiply
    528,152,102.10x = 792,825,349.95 × 312,862,655.70
  4. Step 4: Simplify right side
    528,152,102.10x = 248,045,444,491,638,880
  5. Step 5: Solve for x
    x = 248,045,444,491,638,880/528,152,102.10
  6. Step 6: Final answer
    x = 469,647,746.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.