Home / 570,158,951.50-786,819,353.34-309,398,567.50

Finding the Fourth Proportional to 570,158,951.50, 786,819,353.34 and 309,398,567.50

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Solution

The fourth proportional to 570,158,951.50, 786,819,353.34 and 309,398,567.50 is: 426,970,023.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,158,951.50 : 786,819,353.34 = 309,398,567.50 : x
  2. Step 2: Convert to fraction form
    570,158,951.50/786,819,353.34 = 309,398,567.50/x
  3. Step 3: Cross multiply
    570,158,951.50x = 786,819,353.34 × 309,398,567.50
  4. Step 4: Simplify right side
    570,158,951.50x = 243,440,780,804,672,352
  5. Step 5: Solve for x
    x = 243,440,780,804,672,352/570,158,951.50
  6. Step 6: Final answer
    x = 426,970,023.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.