Home / 1,429,046,591.54-2,143,332,133.16-432,830,766.35

Finding the Fourth Proportional to 1,429,046,591.54, 2,143,332,133.16 and 432,830,766.35

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Solution

The fourth proportional to 1,429,046,591.54, 2,143,332,133.16 and 432,830,766.35 is: 649,174,138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,046,591.54 : 2,143,332,133.16 = 432,830,766.35 : x
  2. Step 2: Convert to fraction form
    1,429,046,591.54/2,143,332,133.16 = 432,830,766.35/x
  3. Step 3: Cross multiply
    1,429,046,591.54x = 2,143,332,133.16 × 432,830,766.35
  4. Step 4: Simplify right side
    1,429,046,591.54x = 927,700,089,725,342,336
  5. Step 5: Solve for x
    x = 927,700,089,725,342,336/1,429,046,591.54
  6. Step 6: Final answer
    x = 649,174,138.35

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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.