Home / 1,077,784,197.53-1,487,333,529.27-625,704,113.12

Finding the Fourth Proportional to 1,077,784,197.53, 1,487,333,529.27 and 625,704,113.12

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Solution

The fourth proportional to 1,077,784,197.53, 1,487,333,529.27 and 625,704,113.12 is: 863,466,646.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,784,197.53 : 1,487,333,529.27 = 625,704,113.12 : x
  2. Step 2: Convert to fraction form
    1,077,784,197.53/1,487,333,529.27 = 625,704,113.12/x
  3. Step 3: Cross multiply
    1,077,784,197.53x = 1,487,333,529.27 × 625,704,113.12
  4. Step 4: Simplify right side
    1,077,784,197.53x = 930,630,706,838,088,192
  5. Step 5: Solve for x
    x = 930,630,706,838,088,192/1,077,784,197.53
  6. Step 6: Final answer
    x = 863,466,646.64

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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.