Home / 528,155,027.43-792,323,856.59-178,403,642.39

Finding the Fourth Proportional to 528,155,027.43, 792,323,856.59 and 178,403,642.39

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Solution

The fourth proportional to 528,155,027.43, 792,323,856.59 and 178,403,642.39 is: 267,636,308.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,155,027.43 : 792,323,856.59 = 178,403,642.39 : x
  2. Step 2: Convert to fraction form
    528,155,027.43/792,323,856.59 = 178,403,642.39/x
  3. Step 3: Cross multiply
    528,155,027.43x = 792,323,856.59 × 178,403,642.39
  4. Step 4: Simplify right side
    528,155,027.43x = 141,353,461,968,148,000
  5. Step 5: Solve for x
    x = 141,353,461,968,148,000/528,155,027.43
  6. Step 6: Final answer
    x = 267,636,308.71

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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.