Home / 1,158,783,003.82-1,599,131,931.96-630,158,477.14

Finding the Fourth Proportional to 1,158,783,003.82, 1,599,131,931.96 and 630,158,477.14

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Solution

The fourth proportional to 1,158,783,003.82, 1,599,131,931.96 and 630,158,477.14 is: 869,624,890.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,783,003.82 : 1,599,131,931.96 = 630,158,477.14 : x
  2. Step 2: Convert to fraction form
    1,158,783,003.82/1,599,131,931.96 = 630,158,477.14/x
  3. Step 3: Cross multiply
    1,158,783,003.82x = 1,599,131,931.96 × 630,158,477.14
  4. Step 4: Simplify right side
    1,158,783,003.82x = 1,007,706,542,989,859,712
  5. Step 5: Solve for x
    x = 1,007,706,542,989,859,712/1,158,783,003.82
  6. Step 6: Final answer
    x = 869,624,890.66

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1.5x scale

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.