Home / 2,972,257,427.80-4,458,386,141.70-901,975,868.20

Finding the Fourth Proportional to 2,972,257,427.80, 4,458,386,141.70 and 901,975,868.20

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Solution

The fourth proportional to 2,972,257,427.80, 4,458,386,141.70 and 901,975,868.20 is: 1,352,963,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972,257,427.80 : 4,458,386,141.70 = 901,975,868.20 : x
  2. Step 2: Convert to fraction form
    2,972,257,427.80/4,458,386,141.70 = 901,975,868.20/x
  3. Step 3: Cross multiply
    2,972,257,427.80x = 4,458,386,141.70 × 901,975,868.20
  4. Step 4: Simplify right side
    2,972,257,427.80x = 4,021,356,710,930,705,920
  5. Step 5: Solve for x
    x = 4,021,356,710,930,705,920/2,972,257,427.80
  6. Step 6: Final answer
    x = 1,352,963,802.30

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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.