Home / 787,209,558.59-1,180,818,752.06-262,577,220.18

Finding the Fourth Proportional to 787,209,558.59, 1,180,818,752.06 and 262,577,220.18

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Solution

The fourth proportional to 787,209,558.59, 1,180,818,752.06 and 262,577,220.18 is: 393,867,302.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,209,558.59 : 1,180,818,752.06 = 262,577,220.18 : x
  2. Step 2: Convert to fraction form
    787,209,558.59/1,180,818,752.06 = 262,577,220.18/x
  3. Step 3: Cross multiply
    787,209,558.59x = 1,180,818,752.06 × 262,577,220.18
  4. Step 4: Simplify right side
    787,209,558.59x = 310,056,105,452,331,456
  5. Step 5: Solve for x
    x = 310,056,105,452,331,456/787,209,558.59
  6. Step 6: Final answer
    x = 393,867,302.64

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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.