Home / 730,480,309.81-1,008,035,820.57-395,945,649.50

Finding the Fourth Proportional to 730,480,309.81, 1,008,035,820.57 and 395,945,649.50

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Solution

The fourth proportional to 730,480,309.81, 1,008,035,820.57 and 395,945,649.50 is: 546,390,357.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,480,309.81 : 1,008,035,820.57 = 395,945,649.50 : x
  2. Step 2: Convert to fraction form
    730,480,309.81/1,008,035,820.57 = 395,945,649.50/x
  3. Step 3: Cross multiply
    730,480,309.81x = 1,008,035,820.57 × 395,945,649.50
  4. Step 4: Simplify right side
    730,480,309.81x = 399,127,397,699,836,416
  5. Step 5: Solve for x
    x = 399,127,397,699,836,416/730,480,309.81
  6. Step 6: Final answer
    x = 546,390,357.60

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Double scale
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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.