Home / 898,128,129.60-1,346,184,424.80-510,136,833.60

Finding the Fourth Proportional to 898,128,129.60, 1,346,184,424.80 and 510,136,833.60

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Solution

The fourth proportional to 898,128,129.60, 1,346,184,424.80 and 510,136,833.60 is: 764,632,837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,128,129.60 : 1,346,184,424.80 = 510,136,833.60 : x
  2. Step 2: Convert to fraction form
    898,128,129.60/1,346,184,424.80 = 510,136,833.60/x
  3. Step 3: Cross multiply
    898,128,129.60x = 1,346,184,424.80 × 510,136,833.60
  4. Step 4: Simplify right side
    898,128,129.60x = 686,738,259,909,109,376
  5. Step 5: Solve for x
    x = 686,738,259,909,109,376/898,128,129.60
  6. Step 6: Final answer
    x = 764,632,837.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.