Home / 732,028,021.02-1,098,039,636.50-265,688,823.38

Finding the Fourth Proportional to 732,028,021.02, 1,098,039,636.50 and 265,688,823.38

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Solution

The fourth proportional to 732,028,021.02, 1,098,039,636.50 and 265,688,823.38 is: 398,532,365.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,028,021.02 : 1,098,039,636.50 = 265,688,823.38 : x
  2. Step 2: Convert to fraction form
    732,028,021.02/1,098,039,636.50 = 265,688,823.38/x
  3. Step 3: Cross multiply
    732,028,021.02x = 1,098,039,636.50 × 265,688,823.38
  4. Step 4: Simplify right side
    732,028,021.02x = 291,736,859,046,287,872
  5. Step 5: Solve for x
    x = 291,736,859,046,287,872/732,028,021.02
  6. Step 6: Final answer
    x = 398,532,365.80

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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.