Home / 787,209,552.99-1,180,818,743.67-262,577,214.59

Finding the Fourth Proportional to 787,209,552.99, 1,180,818,743.67 and 262,577,214.59

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Solution

The fourth proportional to 787,209,552.99, 1,180,818,743.67 and 262,577,214.59 is: 393,867,294.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,209,552.99 : 1,180,818,743.67 = 262,577,214.59 : x
  2. Step 2: Convert to fraction form
    787,209,552.99/1,180,818,743.67 = 262,577,214.59/x
  3. Step 3: Cross multiply
    787,209,552.99x = 1,180,818,743.67 × 262,577,214.59
  4. Step 4: Simplify right side
    787,209,552.99x = 310,056,096,642,627,712
  5. Step 5: Solve for x
    x = 310,056,096,642,627,712/787,209,552.99
  6. Step 6: Final answer
    x = 393,867,294.25

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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.