Home / 1,470,988,840.32-2,029,980,242.88-810,962,737.92

Finding the Fourth Proportional to 1,470,988,840.32, 2,029,980,242.88 and 810,962,737.92

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Solution

The fourth proportional to 1,470,988,840.32, 2,029,980,242.88 and 810,962,737.92 is: 1,119,137,202.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,988,840.32 : 2,029,980,242.88 = 810,962,737.92 : x
  2. Step 2: Convert to fraction form
    1,470,988,840.32/2,029,980,242.88 = 810,962,737.92/x
  3. Step 3: Cross multiply
    1,470,988,840.32x = 2,029,980,242.88 × 810,962,737.92
  4. Step 4: Simplify right side
    1,470,988,840.32x = 1,646,238,335,689,471,488
  5. Step 5: Solve for x
    x = 1,646,238,335,689,471,488/1,470,988,840.32
  6. Step 6: Final answer
    x = 1,119,137,202.52

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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.