Home / 713,139,261.10-1,069,708,891.65-651,917,257.90

Finding the Fourth Proportional to 713,139,261.10, 1,069,708,891.65 and 651,917,257.90

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Solution

The fourth proportional to 713,139,261.10, 1,069,708,891.65 and 651,917,257.90 is: 977,875,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,139,261.10 : 1,069,708,891.65 = 651,917,257.90 : x
  2. Step 2: Convert to fraction form
    713,139,261.10/1,069,708,891.65 = 651,917,257.90/x
  3. Step 3: Cross multiply
    713,139,261.10x = 1,069,708,891.65 × 651,917,257.90
  4. Step 4: Simplify right side
    713,139,261.10x = 697,361,687,395,716,224
  5. Step 5: Solve for x
    x = 697,361,687,395,716,224/713,139,261.10
  6. Step 6: Final answer
    x = 977,875,886.85

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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.