Home / 390,971,516.20-586,669,850.70-160,963,851.40

Finding the Fourth Proportional to 390,971,516.20, 586,669,850.70 and 160,963,851.40

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Solution

The fourth proportional to 390,971,516.20, 586,669,850.70 and 160,963,851.40 is: 241,533,295.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,971,516.20 : 586,669,850.70 = 160,963,851.40 : x
  2. Step 2: Convert to fraction form
    390,971,516.20/586,669,850.70 = 160,963,851.40/x
  3. Step 3: Cross multiply
    390,971,516.20x = 586,669,850.70 × 160,963,851.40
  4. Step 4: Simplify right side
    390,971,516.20x = 94,432,638,668,934,992
  5. Step 5: Solve for x
    x = 94,432,638,668,934,992/390,971,516.20
  6. Step 6: Final answer
    x = 241,533,295.28

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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.