Home / 553,811,061.86-764,494,587.45-345,070,337.27

Finding the Fourth Proportional to 553,811,061.86, 764,494,587.45 and 345,070,337.27

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Solution

The fourth proportional to 553,811,061.86, 764,494,587.45 and 345,070,337.27 is: 476,343,690.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,811,061.86 : 764,494,587.45 = 345,070,337.27 : x
  2. Step 2: Convert to fraction form
    553,811,061.86/764,494,587.45 = 345,070,337.27/x
  3. Step 3: Cross multiply
    553,811,061.86x = 764,494,587.45 × 345,070,337.27
  4. Step 4: Simplify right side
    553,811,061.86x = 263,804,405,130,735,648
  5. Step 5: Solve for x
    x = 263,804,405,130,735,648/553,811,061.86
  6. Step 6: Final answer
    x = 476,343,690.66

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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.