Home / 1,311,671,046-1,810,104,509.52-716,959,436.16

Finding the Fourth Proportional to 1,311,671,046, 1,810,104,509.52 and 716,959,436.16

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Solution

The fourth proportional to 1,311,671,046, 1,810,104,509.52 and 716,959,436.16 is: 989,403,183.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,671,046 : 1,810,104,509.52 = 716,959,436.16 : x
  2. Step 2: Convert to fraction form
    1,311,671,046/1,810,104,509.52 = 716,959,436.16/x
  3. Step 3: Cross multiply
    1,311,671,046x = 1,810,104,509.52 × 716,959,436.16
  4. Step 4: Simplify right side
    1,311,671,046x = 1,297,771,508,536,132,352
  5. Step 5: Solve for x
    x = 1,297,771,508,536,132,352/1,311,671,046
  6. Step 6: Final answer
    x = 989,403,183.44

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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.