Home / 860,794,853.30-1,188,263,433.86-578,700,898.28

Finding the Fourth Proportional to 860,794,853.30, 1,188,263,433.86 and 578,700,898.28

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Solution

The fourth proportional to 860,794,853.30, 1,188,263,433.86 and 578,700,898.28 is: 798,853,657.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,794,853.30 : 1,188,263,433.86 = 578,700,898.28 : x
  2. Step 2: Convert to fraction form
    860,794,853.30/1,188,263,433.86 = 578,700,898.28/x
  3. Step 3: Cross multiply
    860,794,853.30x = 1,188,263,433.86 × 578,700,898.28
  4. Step 4: Simplify right side
    860,794,853.30x = 687,649,116,559,224,576
  5. Step 5: Solve for x
    x = 687,649,116,559,224,576/860,794,853.30
  6. Step 6: Final answer
    x = 798,853,657.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.