Home / 553,811,069.86-764,494,598.49-345,070,345.28

Finding the Fourth Proportional to 553,811,069.86, 764,494,598.49 and 345,070,345.28

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Solution

The fourth proportional to 553,811,069.86, 764,494,598.49 and 345,070,345.28 is: 476,343,701.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,811,069.86 : 764,494,598.49 = 345,070,345.28 : x
  2. Step 2: Convert to fraction form
    553,811,069.86/764,494,598.49 = 345,070,345.28/x
  3. Step 3: Cross multiply
    553,811,069.86x = 764,494,598.49 × 345,070,345.28
  4. Step 4: Simplify right side
    553,811,069.86x = 263,804,415,065,639,264
  5. Step 5: Solve for x
    x = 263,804,415,065,639,264/553,811,069.86
  6. Step 6: Final answer
    x = 476,343,701.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.