Home / 528,696,533.06-729,620,905.96-317,037,823.71

Finding the Fourth Proportional to 528,696,533.06, 729,620,905.96 and 317,037,823.71

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Solution

The fourth proportional to 528,696,533.06, 729,620,905.96 and 317,037,823.71 is: 437,524,004.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,696,533.06 : 729,620,905.96 = 317,037,823.71 : x
  2. Step 2: Convert to fraction form
    528,696,533.06/729,620,905.96 = 317,037,823.71/x
  3. Step 3: Cross multiply
    528,696,533.06x = 729,620,905.96 × 317,037,823.71
  4. Step 4: Simplify right side
    528,696,533.06x = 231,317,424,158,876,960
  5. Step 5: Solve for x
    x = 231,317,424,158,876,960/528,696,533.06
  6. Step 6: Final answer
    x = 437,524,004.21

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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.