Home / 528,155,026.43-792,323,855.09-178,403,641.39

Finding the Fourth Proportional to 528,155,026.43, 792,323,855.09 and 178,403,641.39

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Solution

The fourth proportional to 528,155,026.43, 792,323,855.09 and 178,403,641.39 is: 267,636,307.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,155,026.43 : 792,323,855.09 = 178,403,641.39 : x
  2. Step 2: Convert to fraction form
    528,155,026.43/792,323,855.09 = 178,403,641.39/x
  3. Step 3: Cross multiply
    528,155,026.43x = 792,323,855.09 × 178,403,641.39
  4. Step 4: Simplify right side
    528,155,026.43x = 141,353,460,908,986,096
  5. Step 5: Solve for x
    x = 141,353,460,908,986,096/528,155,026.43
  6. Step 6: Final answer
    x = 267,636,307.21

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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.