Home / 2,139,383,721.60-3,209,075,582.40-586,831,984.20

Finding the Fourth Proportional to 2,139,383,721.60, 3,209,075,582.40 and 586,831,984.20

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Solution

The fourth proportional to 2,139,383,721.60, 3,209,075,582.40 and 586,831,984.20 is: 880,247,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,383,721.60 : 3,209,075,582.40 = 586,831,984.20 : x
  2. Step 2: Convert to fraction form
    2,139,383,721.60/3,209,075,582.40 = 586,831,984.20/x
  3. Step 3: Cross multiply
    2,139,383,721.60x = 3,209,075,582.40 × 586,831,984.20
  4. Step 4: Simplify right side
    2,139,383,721.60x = 1,883,188,191,467,562,752
  5. Step 5: Solve for x
    x = 1,883,188,191,467,562,752/2,139,383,721.60
  6. Step 6: Final answer
    x = 880,247,976.30

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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.