Home / 745,407,490.07-1,028,708,359.82-410,879,259.13

Finding the Fourth Proportional to 745,407,490.07, 1,028,708,359.82 and 410,879,259.13

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Solution

The fourth proportional to 745,407,490.07, 1,028,708,359.82 and 410,879,259.13 is: 567,038,746.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,407,490.07 : 1,028,708,359.82 = 410,879,259.13 : x
  2. Step 2: Convert to fraction form
    745,407,490.07/1,028,708,359.82 = 410,879,259.13/x
  3. Step 3: Cross multiply
    745,407,490.07x = 1,028,708,359.82 × 410,879,259.13
  4. Step 4: Simplify right side
    745,407,490.07x = 422,674,928,741,624,704
  5. Step 5: Solve for x
    x = 422,674,928,741,624,704/745,407,490.07
  6. Step 6: Final answer
    x = 567,038,746.42

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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.