Home / 413,688,731.80-620,533,097.70-241,360,130.20

Finding the Fourth Proportional to 413,688,731.80, 620,533,097.70 and 241,360,130.20

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Solution

The fourth proportional to 413,688,731.80, 620,533,097.70 and 241,360,130.20 is: 362,040,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,688,731.80 : 620,533,097.70 = 241,360,130.20 : x
  2. Step 2: Convert to fraction form
    413,688,731.80/620,533,097.70 = 241,360,130.20/x
  3. Step 3: Cross multiply
    413,688,731.80x = 620,533,097.70 × 241,360,130.20
  4. Step 4: Simplify right side
    413,688,731.80x = 149,771,949,254,281,312
  5. Step 5: Solve for x
    x = 149,771,949,254,281,312/413,688,731.80
  6. Step 6: Final answer
    x = 362,040,195.30

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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.