Home / 340,830,000.60-511,245,000.90-260,208,432.60

Finding the Fourth Proportional to 340,830,000.60, 511,245,000.90 and 260,208,432.60

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Solution

The fourth proportional to 340,830,000.60, 511,245,000.90 and 260,208,432.60 is: 390,312,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,830,000.60 : 511,245,000.90 = 260,208,432.60 : x
  2. Step 2: Convert to fraction form
    340,830,000.60/511,245,000.90 = 260,208,432.60/x
  3. Step 3: Cross multiply
    340,830,000.60x = 511,245,000.90 × 260,208,432.60
  4. Step 4: Simplify right side
    340,830,000.60x = 133,030,260,358,774,576
  5. Step 5: Solve for x
    x = 133,030,260,358,774,576/340,830,000.60
  6. Step 6: Final answer
    x = 390,312,648.90

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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.