Home / 1,205,033,430.88-1,662,970,692-676,435,530.88

Finding the Fourth Proportional to 1,205,033,430.88, 1,662,970,692 and 676,435,530.88

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Solution

The fourth proportional to 1,205,033,430.88, 1,662,970,692 and 676,435,530.88 is: 933,494,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,033,430.88 : 1,662,970,692 = 676,435,530.88 : x
  2. Step 2: Convert to fraction form
    1,205,033,430.88/1,662,970,692 = 676,435,530.88/x
  3. Step 3: Cross multiply
    1,205,033,430.88x = 1,662,970,692 × 676,435,530.88
  4. Step 4: Simplify right side
    1,205,033,430.88x = 1,124,892,462,880,900,992
  5. Step 5: Solve for x
    x = 1,124,892,462,880,900,992/1,205,033,430.88
  6. Step 6: Final answer
    x = 933,494,817.70

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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.