Home / 1,915,445,868.16-2,643,090,682.08-1,080,020,655.04

Finding the Fourth Proportional to 1,915,445,868.16, 2,643,090,682.08 and 1,080,020,655.04

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Solution

The fourth proportional to 1,915,445,868.16, 2,643,090,682.08 and 1,080,020,655.04 is: 1,490,301,854.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,445,868.16 : 2,643,090,682.08 = 1,080,020,655.04 : x
  2. Step 2: Convert to fraction form
    1,915,445,868.16/2,643,090,682.08 = 1,080,020,655.04/x
  3. Step 3: Cross multiply
    1,915,445,868.16x = 2,643,090,682.08 × 1,080,020,655.04
  4. Step 4: Simplify right side
    1,915,445,868.16x = 2,854,592,529,790,161,920
  5. Step 5: Solve for x
    x = 2,854,592,529,790,161,920/1,915,445,868.16
  6. Step 6: Final answer
    x = 1,490,301,854.64

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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.