Home / 1,178,234,340.13-1,767,360,367.54-523,009,216.67

Finding the Fourth Proportional to 1,178,234,340.13, 1,767,360,367.54 and 523,009,216.67

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Solution

The fourth proportional to 1,178,234,340.13, 1,767,360,367.54 and 523,009,216.67 is: 784,517,756.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,234,340.13 : 1,767,360,367.54 = 523,009,216.67 : x
  2. Step 2: Convert to fraction form
    1,178,234,340.13/1,767,360,367.54 = 523,009,216.67/x
  3. Step 3: Cross multiply
    1,178,234,340.13x = 1,767,360,367.54 × 523,009,216.67
  4. Step 4: Simplify right side
    1,178,234,340.13x = 924,345,761,400,698,752
  5. Step 5: Solve for x
    x = 924,345,761,400,698,752/1,178,234,340.13
  6. Step 6: Final answer
    x = 784,517,756.72

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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.