Home / 670,444,836.43-925,294,419.56-406,119,073.81

Finding the Fourth Proportional to 670,444,836.43, 925,294,419.56 and 406,119,073.81

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Solution

The fourth proportional to 670,444,836.43, 925,294,419.56 and 406,119,073.81 is: 560,493,111.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,444,836.43 : 925,294,419.56 = 406,119,073.81 : x
  2. Step 2: Convert to fraction form
    670,444,836.43/925,294,419.56 = 406,119,073.81/x
  3. Step 3: Cross multiply
    670,444,836.43x = 925,294,419.56 × 406,119,073.81
  4. Step 4: Simplify right side
    670,444,836.43x = 375,779,712,666,611,648
  5. Step 5: Solve for x
    x = 375,779,712,666,611,648/670,444,836.43
  6. Step 6: Final answer
    x = 560,493,111.81

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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.