Home / 1,889,574,985.20-2,834,362,477.80-971,244,937.20

Finding the Fourth Proportional to 1,889,574,985.20, 2,834,362,477.80 and 971,244,937.20

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Solution

The fourth proportional to 1,889,574,985.20, 2,834,362,477.80 and 971,244,937.20 is: 1,456,867,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,574,985.20 : 2,834,362,477.80 = 971,244,937.20 : x
  2. Step 2: Convert to fraction form
    1,889,574,985.20/2,834,362,477.80 = 971,244,937.20/x
  3. Step 3: Cross multiply
    1,889,574,985.20x = 2,834,362,477.80 × 971,244,937.20
  4. Step 4: Simplify right side
    1,889,574,985.20x = 2,752,860,206,752,897,536
  5. Step 5: Solve for x
    x = 2,752,860,206,752,897,536/1,889,574,985.20
  6. Step 6: Final answer
    x = 1,456,867,405.80

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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.