Home / 553,811,065.36-764,494,592.28-345,070,340.77

Finding the Fourth Proportional to 553,811,065.36, 764,494,592.28 and 345,070,340.77

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Solution

The fourth proportional to 553,811,065.36, 764,494,592.28 and 345,070,340.77 is: 476,343,695.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,811,065.36 : 764,494,592.28 = 345,070,340.77 : x
  2. Step 2: Convert to fraction form
    553,811,065.36/764,494,592.28 = 345,070,340.77/x
  3. Step 3: Cross multiply
    553,811,065.36x = 764,494,592.28 × 345,070,340.77
  4. Step 4: Simplify right side
    553,811,065.36x = 263,804,409,474,881,792
  5. Step 5: Solve for x
    x = 263,804,409,474,881,792/553,811,065.36
  6. Step 6: Final answer
    x = 476,343,695.49

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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.