Home / 745,407,490.57-1,028,708,360.51-410,879,259.63

Finding the Fourth Proportional to 745,407,490.57, 1,028,708,360.51 and 410,879,259.63

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Solution

The fourth proportional to 745,407,490.57, 1,028,708,360.51 and 410,879,259.63 is: 567,038,747.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,407,490.57 : 1,028,708,360.51 = 410,879,259.63 : x
  2. Step 2: Convert to fraction form
    745,407,490.57/1,028,708,360.51 = 410,879,259.63/x
  3. Step 3: Cross multiply
    745,407,490.57x = 1,028,708,360.51 × 410,879,259.63
  4. Step 4: Simplify right side
    745,407,490.57x = 422,674,929,539,485,504
  5. Step 5: Solve for x
    x = 422,674,929,539,485,504/745,407,490.57
  6. Step 6: Final answer
    x = 567,038,747.11

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Double scale
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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.