Home / 720,673,535.20-1,081,010,302.80-600,142,716.40

Finding the Fourth Proportional to 720,673,535.20, 1,081,010,302.80 and 600,142,716.40

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Solution

The fourth proportional to 720,673,535.20, 1,081,010,302.80 and 600,142,716.40 is: 900,214,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,673,535.20 : 1,081,010,302.80 = 600,142,716.40 : x
  2. Step 2: Convert to fraction form
    720,673,535.20/1,081,010,302.80 = 600,142,716.40/x
  3. Step 3: Cross multiply
    720,673,535.20x = 1,081,010,302.80 × 600,142,716.40
  4. Step 4: Simplify right side
    720,673,535.20x = 648,760,459,578,778,496
  5. Step 5: Solve for x
    x = 648,760,459,578,778,496/720,673,535.20
  6. Step 6: Final answer
    x = 900,214,074.60

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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.