Home / 528,155,029.93-792,323,860.34-178,403,644.89

Finding the Fourth Proportional to 528,155,029.93, 792,323,860.34 and 178,403,644.89

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Solution

The fourth proportional to 528,155,029.93, 792,323,860.34 and 178,403,644.89 is: 267,636,312.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,155,029.93 : 792,323,860.34 = 178,403,644.89 : x
  2. Step 2: Convert to fraction form
    528,155,029.93/792,323,860.34 = 178,403,644.89/x
  3. Step 3: Cross multiply
    528,155,029.93x = 792,323,860.34 × 178,403,644.89
  4. Step 4: Simplify right side
    528,155,029.93x = 141,353,464,617,971,312
  5. Step 5: Solve for x
    x = 141,353,464,617,971,312/528,155,029.93
  6. Step 6: Final answer
    x = 267,636,312.46

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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.