Home / 670,143,272.40-1,005,214,908.60-497,956,388.40

Finding the Fourth Proportional to 670,143,272.40, 1,005,214,908.60 and 497,956,388.40

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Solution

The fourth proportional to 670,143,272.40, 1,005,214,908.60 and 497,956,388.40 is: 746,934,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,143,272.40 : 1,005,214,908.60 = 497,956,388.40 : x
  2. Step 2: Convert to fraction form
    670,143,272.40/1,005,214,908.60 = 497,956,388.40/x
  3. Step 3: Cross multiply
    670,143,272.40x = 1,005,214,908.60 × 497,956,388.40
  4. Step 4: Simplify right side
    670,143,272.40x = 500,553,185,452,292,096
  5. Step 5: Solve for x
    x = 500,553,185,452,292,096/670,143,272.40
  6. Step 6: Final answer
    x = 746,934,582.60

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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.