Home / 830,383,172.40-1,145,908,605.24-459,095,657.52

Finding the Fourth Proportional to 830,383,172.40, 1,145,908,605.24 and 459,095,657.52

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Solution

The fourth proportional to 830,383,172.40, 1,145,908,605.24 and 459,095,657.52 is: 633,540,854.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,383,172.40 : 1,145,908,605.24 = 459,095,657.52 : x
  2. Step 2: Convert to fraction form
    830,383,172.40/1,145,908,605.24 = 459,095,657.52/x
  3. Step 3: Cross multiply
    830,383,172.40x = 1,145,908,605.24 × 459,095,657.52
  4. Step 4: Simplify right side
    830,383,172.40x = 526,081,664,580,483,904
  5. Step 5: Solve for x
    x = 526,081,664,580,483,904/830,383,172.40
  6. Step 6: Final answer
    x = 633,540,854.47

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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.