Home / 1,113,455,191.08-1,670,872,487.34-647,335,991.87

Finding the Fourth Proportional to 1,113,455,191.08, 1,670,872,487.34 and 647,335,991.87

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Solution

The fourth proportional to 1,113,455,191.08, 1,670,872,487.34 and 647,335,991.87 is: 971,404,963.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,455,191.08 : 1,670,872,487.34 = 647,335,991.87 : x
  2. Step 2: Convert to fraction form
    1,113,455,191.08/1,670,872,487.34 = 647,335,991.87/x
  3. Step 3: Cross multiply
    1,113,455,191.08x = 1,670,872,487.34 × 647,335,991.87
  4. Step 4: Simplify right side
    1,113,455,191.08x = 1,081,615,898,872,178,560
  5. Step 5: Solve for x
    x = 1,081,615,898,872,178,560/1,113,455,191.08
  6. Step 6: Final answer
    x = 971,404,963.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.