Home / 2,137,830,605.10-2,949,157,863.43-1,855,176,328.12

Finding the Fourth Proportional to 2,137,830,605.10, 2,949,157,863.43 and 1,855,176,328.12

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Solution

The fourth proportional to 2,137,830,605.10, 2,949,157,863.43 and 1,855,176,328.12 is: 2,559,233,572.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,830,605.10 : 2,949,157,863.43 = 1,855,176,328.12 : x
  2. Step 2: Convert to fraction form
    2,137,830,605.10/2,949,157,863.43 = 1,855,176,328.12/x
  3. Step 3: Cross multiply
    2,137,830,605.10x = 2,949,157,863.43 × 1,855,176,328.12
  4. Step 4: Simplify right side
    2,137,830,605.10x = 5,471,207,856,124,291,072
  5. Step 5: Solve for x
    x = 5,471,207,856,124,291,072/2,137,830,605.10
  6. Step 6: Final answer
    x = 2,559,233,572.14

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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.