Home / 1,621,122,079.44-2,431,879,890.36-456,590,569.92

Finding the Fourth Proportional to 1,621,122,079.44, 2,431,879,890.36 and 456,590,569.92

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Solution

The fourth proportional to 1,621,122,079.44, 2,431,879,890.36 and 456,590,569.92 is: 684,941,275.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,122,079.44 : 2,431,879,890.36 = 456,590,569.92 : x
  2. Step 2: Convert to fraction form
    1,621,122,079.44/2,431,879,890.36 = 456,590,569.92/x
  3. Step 3: Cross multiply
    1,621,122,079.44x = 2,431,879,890.36 × 456,590,569.92
  4. Step 4: Simplify right side
    1,621,122,079.44x = 1,110,373,425,116,459,648
  5. Step 5: Solve for x
    x = 1,110,373,425,116,459,648/1,621,122,079.44
  6. Step 6: Final answer
    x = 684,941,275.67

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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.