Home / 1,107,622,117.02-1,528,989,165.64-690,140,667.86

Finding the Fourth Proportional to 1,107,622,117.02, 1,528,989,165.64 and 690,140,667.86

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Solution

The fourth proportional to 1,107,622,117.02, 1,528,989,165.64 and 690,140,667.86 is: 952,687,372.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,622,117.02 : 1,528,989,165.64 = 690,140,667.86 : x
  2. Step 2: Convert to fraction form
    1,107,622,117.02/1,528,989,165.64 = 690,140,667.86/x
  3. Step 3: Cross multiply
    1,107,622,117.02x = 1,528,989,165.64 × 690,140,667.86
  4. Step 4: Simplify right side
    1,107,622,117.02x = 1,055,217,603,914,398,080
  5. Step 5: Solve for x
    x = 1,055,217,603,914,398,080/1,107,622,117.02
  6. Step 6: Final answer
    x = 952,687,372.07

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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.