Home / 922,949,909.64-1,273,670,937.45-505,262,194.95

Finding the Fourth Proportional to 922,949,909.64, 1,273,670,937.45 and 505,262,194.95

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Solution

The fourth proportional to 922,949,909.64, 1,273,670,937.45 and 505,262,194.95 is: 697,261,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,949,909.64 : 1,273,670,937.45 = 505,262,194.95 : x
  2. Step 2: Convert to fraction form
    922,949,909.64/1,273,670,937.45 = 505,262,194.95/x
  3. Step 3: Cross multiply
    922,949,909.64x = 1,273,670,937.45 × 505,262,194.95
  4. Step 4: Simplify right side
    922,949,909.64x = 643,537,773,500,011,136
  5. Step 5: Solve for x
    x = 643,537,773,500,011,136/922,949,909.64
  6. Step 6: Final answer
    x = 697,261,863.05

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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.