Home / 1,358,421,840.54-1,874,628,488.25-771,743,169.18

Finding the Fourth Proportional to 1,358,421,840.54, 1,874,628,488.25 and 771,743,169.18

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Solution

The fourth proportional to 1,358,421,840.54, 1,874,628,488.25 and 771,743,169.18 is: 1,065,009,180.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,421,840.54 : 1,874,628,488.25 = 771,743,169.18 : x
  2. Step 2: Convert to fraction form
    1,358,421,840.54/1,874,628,488.25 = 771,743,169.18/x
  3. Step 3: Cross multiply
    1,358,421,840.54x = 1,874,628,488.25 × 771,743,169.18
  4. Step 4: Simplify right side
    1,358,421,840.54x = 1,446,731,730,557,167,360
  5. Step 5: Solve for x
    x = 1,446,731,730,557,167,360/1,358,421,840.54
  6. Step 6: Final answer
    x = 1,065,009,180.05

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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.