Home / 358,505,312.60-537,757,968.90-355,104,090.20

Finding the Fourth Proportional to 358,505,312.60, 537,757,968.90 and 355,104,090.20

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Solution

The fourth proportional to 358,505,312.60, 537,757,968.90 and 355,104,090.20 is: 532,656,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,505,312.60 : 537,757,968.90 = 355,104,090.20 : x
  2. Step 2: Convert to fraction form
    358,505,312.60/537,757,968.90 = 355,104,090.20/x
  3. Step 3: Cross multiply
    358,505,312.60x = 537,757,968.90 × 355,104,090.20
  4. Step 4: Simplify right side
    358,505,312.60x = 190,960,054,294,034,368
  5. Step 5: Solve for x
    x = 190,960,054,294,034,368/358,505,312.60
  6. Step 6: Final answer
    x = 532,656,135.30

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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.