Home / 1,393,611,798.90-1,923,111,099.63-766,960,453.74

Finding the Fourth Proportional to 1,393,611,798.90, 1,923,111,099.63 and 766,960,453.74

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Solution

The fourth proportional to 1,393,611,798.90, 1,923,111,099.63 and 766,960,453.74 is: 1,058,365,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,611,798.90 : 1,923,111,099.63 = 766,960,453.74 : x
  2. Step 2: Convert to fraction form
    1,393,611,798.90/1,923,111,099.63 = 766,960,453.74/x
  3. Step 3: Cross multiply
    1,393,611,798.90x = 1,923,111,099.63 × 766,960,453.74
  4. Step 4: Simplify right side
    1,393,611,798.90x = 1,474,950,161,564,655,360
  5. Step 5: Solve for x
    x = 1,474,950,161,564,655,360/1,393,611,798.90
  6. Step 6: Final answer
    x = 1,058,365,150.70

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Double scale
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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.