Home / 745,407,669.92-1,028,708,606.93-410,879,437.85

Finding the Fourth Proportional to 745,407,669.92, 1,028,708,606.93 and 410,879,437.85

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Solution

The fourth proportional to 745,407,669.92, 1,028,708,606.93 and 410,879,437.85 is: 567,038,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,407,669.92 : 1,028,708,606.93 = 410,879,437.85 : x
  2. Step 2: Convert to fraction form
    745,407,669.92/1,028,708,606.93 = 410,879,437.85/x
  3. Step 3: Cross multiply
    745,407,669.92x = 1,028,708,606.93 × 410,879,437.85
  4. Step 4: Simplify right side
    745,407,669.92x = 422,675,214,127,372,416
  5. Step 5: Solve for x
    x = 422,675,214,127,372,416/745,407,669.92
  6. Step 6: Final answer
    x = 567,038,992.47

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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.