Home / 683,318,886.03-1,026,613,501.56-438,155,850.69

Finding the Fourth Proportional to 683,318,886.03, 1,026,613,501.56 and 438,155,850.69

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Solution

The fourth proportional to 683,318,886.03, 1,026,613,501.56 and 438,155,850.69 is: 658,282,276.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,318,886.03 : 1,026,613,501.56 = 438,155,850.69 : x
  2. Step 2: Convert to fraction form
    683,318,886.03/1,026,613,501.56 = 438,155,850.69/x
  3. Step 3: Cross multiply
    683,318,886.03x = 1,026,613,501.56 × 438,155,850.69
  4. Step 4: Simplify right side
    683,318,886.03x = 449,816,712,105,861,440
  5. Step 5: Solve for x
    x = 449,816,712,105,861,440/683,318,886.03
  6. Step 6: Final answer
    x = 658,282,276.84

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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.