Home / 813,642,598.68-1,220,333,144.40-223,294,907.76

Finding the Fourth Proportional to 813,642,598.68, 1,220,333,144.40 and 223,294,907.76

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Solution

The fourth proportional to 813,642,598.68, 1,220,333,144.40 and 223,294,907.76 is: 334,906,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,642,598.68 : 1,220,333,144.40 = 223,294,907.76 : x
  2. Step 2: Convert to fraction form
    813,642,598.68/1,220,333,144.40 = 223,294,907.76/x
  3. Step 3: Cross multiply
    813,642,598.68x = 1,220,333,144.40 × 223,294,907.76
  4. Step 4: Simplify right side
    813,642,598.68x = 272,494,176,915,268,768
  5. Step 5: Solve for x
    x = 272,494,176,915,268,768/813,642,598.68
  6. Step 6: Final answer
    x = 334,906,477.80

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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.