Home / 1,091,835,720-1,637,753,804.64-364,824,509.76

Finding the Fourth Proportional to 1,091,835,720, 1,637,753,804.64 and 364,824,509.76

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Solution

The fourth proportional to 1,091,835,720, 1,637,753,804.64 and 364,824,509.76 is: 547,236,839.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,835,720 : 1,637,753,804.64 = 364,824,509.76 : x
  2. Step 2: Convert to fraction form
    1,091,835,720/1,637,753,804.64 = 364,824,509.76/x
  3. Step 3: Cross multiply
    1,091,835,720x = 1,637,753,804.64 × 364,824,509.76
  4. Step 4: Simplify right side
    1,091,835,720x = 597,492,728,885,362,816
  5. Step 5: Solve for x
    x = 597,492,728,885,362,816/1,091,835,720
  6. Step 6: Final answer
    x = 547,236,839.70

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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.