Home / 821,382,784.68-1,133,563,856.16-464,026,619.10

Finding the Fourth Proportional to 821,382,784.68, 1,133,563,856.16 and 464,026,619.10

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Solution

The fourth proportional to 821,382,784.68, 1,133,563,856.16 and 464,026,619.10 is: 640,388,152.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,382,784.68 : 1,133,563,856.16 = 464,026,619.10 : x
  2. Step 2: Convert to fraction form
    821,382,784.68/1,133,563,856.16 = 464,026,619.10/x
  3. Step 3: Cross multiply
    821,382,784.68x = 1,133,563,856.16 × 464,026,619.10
  4. Step 4: Simplify right side
    821,382,784.68x = 526,003,803,707,883,584
  5. Step 5: Solve for x
    x = 526,003,803,707,883,584/821,382,784.68
  6. Step 6: Final answer
    x = 640,388,152.17

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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.