Home / 693,965,460.93-957,666,667.87-376,424,911.97

Finding the Fourth Proportional to 693,965,460.93, 957,666,667.87 and 376,424,911.97

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Solution

The fourth proportional to 693,965,460.93, 957,666,667.87 and 376,424,911.97 is: 519,463,303.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,965,460.93 : 957,666,667.87 = 376,424,911.97 : x
  2. Step 2: Convert to fraction form
    693,965,460.93/957,666,667.87 = 376,424,911.97/x
  3. Step 3: Cross multiply
    693,965,460.93x = 957,666,667.87 × 376,424,911.97
  4. Step 4: Simplify right side
    693,965,460.93x = 360,489,591,148,841,408
  5. Step 5: Solve for x
    x = 360,489,591,148,841,408/693,965,460.93
  6. Step 6: Final answer
    x = 519,463,303.93

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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.