Home / 531,518,774.40-797,278,161.60-480,500,438.40

Finding the Fourth Proportional to 531,518,774.40, 797,278,161.60 and 480,500,438.40

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Solution

The fourth proportional to 531,518,774.40, 797,278,161.60 and 480,500,438.40 is: 720,750,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,518,774.40 : 797,278,161.60 = 480,500,438.40 : x
  2. Step 2: Convert to fraction form
    531,518,774.40/797,278,161.60 = 480,500,438.40/x
  3. Step 3: Cross multiply
    531,518,774.40x = 797,278,161.60 × 480,500,438.40
  4. Step 4: Simplify right side
    531,518,774.40x = 383,092,506,175,546,048
  5. Step 5: Solve for x
    x = 383,092,506,175,546,048/531,518,774.40
  6. Step 6: Final answer
    x = 720,750,657.60

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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.