Home / 684,375,296.40-1,025,807,117.40-377,887,366.80

Finding the Fourth Proportional to 684,375,296.40, 1,025,807,117.40 and 377,887,366.80

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Solution

The fourth proportional to 684,375,296.40, 1,025,807,117.40 and 377,887,366.80 is: 566,413,709.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,375,296.40 : 1,025,807,117.40 = 377,887,366.80 : x
  2. Step 2: Convert to fraction form
    684,375,296.40/1,025,807,117.40 = 377,887,366.80/x
  3. Step 3: Cross multiply
    684,375,296.40x = 1,025,807,117.40 × 377,887,366.80
  4. Step 4: Simplify right side
    684,375,296.40x = 387,639,550,438,984,448
  5. Step 5: Solve for x
    x = 387,639,550,438,984,448/684,375,296.40
  6. Step 6: Final answer
    x = 566,413,709.67

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1.5x scale

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.