Home / 676,907,809.40-933,788,987.69-442,095,917.96

Finding the Fourth Proportional to 676,907,809.40, 933,788,987.69 and 442,095,917.96

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Solution

The fourth proportional to 676,907,809.40, 933,788,987.69 and 442,095,917.96 is: 609,867,834.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,907,809.40 : 933,788,987.69 = 442,095,917.96 : x
  2. Step 2: Convert to fraction form
    676,907,809.40/933,788,987.69 = 442,095,917.96/x
  3. Step 3: Cross multiply
    676,907,809.40x = 933,788,987.69 × 442,095,917.96
  4. Step 4: Simplify right side
    676,907,809.40x = 412,824,299,693,873,664
  5. Step 5: Solve for x
    x = 412,824,299,693,873,664/676,907,809.40
  6. Step 6: Final answer
    x = 609,867,834.23

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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.