Home / 790,274,988-1,090,579,483.44-442,594,476

Finding the Fourth Proportional to 790,274,988, 1,090,579,483.44 and 442,594,476

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Solution

The fourth proportional to 790,274,988, 1,090,579,483.44 and 442,594,476 is: 610,780,376.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,274,988 : 1,090,579,483.44 = 442,594,476 : x
  2. Step 2: Convert to fraction form
    790,274,988/1,090,579,483.44 = 442,594,476/x
  3. Step 3: Cross multiply
    790,274,988x = 1,090,579,483.44 × 442,594,476
  4. Step 4: Simplify right side
    790,274,988x = 482,684,455,009,477,504
  5. Step 5: Solve for x
    x = 482,684,455,009,477,504/790,274,988
  6. Step 6: Final answer
    x = 610,780,376.88

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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.