Home / 1,107,622,621.02-1,528,989,863.49-690,141,175.50

Finding the Fourth Proportional to 1,107,622,621.02, 1,528,989,863.49 and 690,141,175.50

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Solution

The fourth proportional to 1,107,622,621.02, 1,528,989,863.49 and 690,141,175.50 is: 952,688,074.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,622,621.02 : 1,528,989,863.49 = 690,141,175.50 : x
  2. Step 2: Convert to fraction form
    1,107,622,621.02/1,528,989,863.49 = 690,141,175.50/x
  3. Step 3: Cross multiply
    1,107,622,621.02x = 1,528,989,863.49 × 690,141,175.50
  4. Step 4: Simplify right side
    1,107,622,621.02x = 1,055,218,861,716,573,184
  5. Step 5: Solve for x
    x = 1,055,218,861,716,573,184/1,107,622,621.02
  6. Step 6: Final answer
    x = 952,688,074.16

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Double scale
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1.5x scale

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.