Home / 898,128,139.60-1,346,184,439.80-510,136,843.60

Finding the Fourth Proportional to 898,128,139.60, 1,346,184,439.80 and 510,136,843.60

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Solution

The fourth proportional to 898,128,139.60, 1,346,184,439.80 and 510,136,843.60 is: 764,632,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,128,139.60 : 1,346,184,439.80 = 510,136,843.60 : x
  2. Step 2: Convert to fraction form
    898,128,139.60/1,346,184,439.80 = 510,136,843.60/x
  3. Step 3: Cross multiply
    898,128,139.60x = 1,346,184,439.80 × 510,136,843.60
  4. Step 4: Simplify right side
    898,128,139.60x = 686,738,281,023,006,208
  5. Step 5: Solve for x
    x = 686,738,281,023,006,208/898,128,139.60
  6. Step 6: Final answer
    x = 764,632,852.20

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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.