Home / 579,317,038.40-869,983,327.20-307,219,246.40

Finding the Fourth Proportional to 579,317,038.40, 869,983,327.20 and 307,219,246.40

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Solution

The fourth proportional to 579,317,038.40, 869,983,327.20 and 307,219,246.40 is: 461,363,302.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,317,038.40 : 869,983,327.20 = 307,219,246.40 : x
  2. Step 2: Convert to fraction form
    579,317,038.40/869,983,327.20 = 307,219,246.40/x
  3. Step 3: Cross multiply
    579,317,038.40x = 869,983,327.20 × 307,219,246.40
  4. Step 4: Simplify right side
    579,317,038.40x = 267,275,622,162,948,608
  5. Step 5: Solve for x
    x = 267,275,622,162,948,608/579,317,038.40
  6. Step 6: Final answer
    x = 461,363,302.73

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1.5x scale

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.