Home / 673,963,294.40-1,010,944,941.60-628,613,662.40

Finding the Fourth Proportional to 673,963,294.40, 1,010,944,941.60 and 628,613,662.40

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Solution

The fourth proportional to 673,963,294.40, 1,010,944,941.60 and 628,613,662.40 is: 942,920,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,963,294.40 : 1,010,944,941.60 = 628,613,662.40 : x
  2. Step 2: Convert to fraction form
    673,963,294.40/1,010,944,941.60 = 628,613,662.40/x
  3. Step 3: Cross multiply
    673,963,294.40x = 1,010,944,941.60 × 628,613,662.40
  4. Step 4: Simplify right side
    673,963,294.40x = 635,493,802,223,930,112
  5. Step 5: Solve for x
    x = 635,493,802,223,930,112/673,963,294.40
  6. Step 6: Final answer
    x = 942,920,493.60

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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.