Home / 1,077,784,192.46-1,487,333,522.28-625,704,108.05

Finding the Fourth Proportional to 1,077,784,192.46, 1,487,333,522.28 and 625,704,108.05

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Solution

The fourth proportional to 1,077,784,192.46, 1,487,333,522.28 and 625,704,108.05 is: 863,466,639.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,784,192.46 : 1,487,333,522.28 = 625,704,108.05 : x
  2. Step 2: Convert to fraction form
    1,077,784,192.46/1,487,333,522.28 = 625,704,108.05/x
  3. Step 3: Cross multiply
    1,077,784,192.46x = 1,487,333,522.28 × 625,704,108.05
  4. Step 4: Simplify right side
    1,077,784,192.46x = 930,630,694,937,168,128
  5. Step 5: Solve for x
    x = 930,630,694,937,168,128/1,077,784,192.46
  6. Step 6: Final answer
    x = 863,466,639.65

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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.