Home / 1,570,039,329.44-2,166,668,603.88-865,216,599.88

Finding the Fourth Proportional to 1,570,039,329.44, 2,166,668,603.88 and 865,216,599.88

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Solution

The fourth proportional to 1,570,039,329.44, 2,166,668,603.88 and 865,216,599.88 is: 1,194,006,804.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,039,329.44 : 2,166,668,603.88 = 865,216,599.88 : x
  2. Step 2: Convert to fraction form
    1,570,039,329.44/2,166,668,603.88 = 865,216,599.88/x
  3. Step 3: Cross multiply
    1,570,039,329.44x = 2,166,668,603.88 × 865,216,599.88
  4. Step 4: Simplify right side
    1,570,039,329.44x = 1,874,637,642,515,800,320
  5. Step 5: Solve for x
    x = 1,874,637,642,515,800,320/1,570,039,329.44
  6. Step 6: Final answer
    x = 1,194,006,804.39

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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.