Home / 944,289,929.15-1,303,061,115.53-520,908,487.37

Finding the Fourth Proportional to 944,289,929.15, 1,303,061,115.53 and 520,908,487.37

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Solution

The fourth proportional to 944,289,929.15, 1,303,061,115.53 and 520,908,487.37 is: 718,821,173.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,289,929.15 : 1,303,061,115.53 = 520,908,487.37 : x
  2. Step 2: Convert to fraction form
    944,289,929.15/1,303,061,115.53 = 520,908,487.37/x
  3. Step 3: Cross multiply
    944,289,929.15x = 1,303,061,115.53 × 520,908,487.37
  4. Step 4: Simplify right side
    944,289,929.15x = 678,775,594,641,397,120
  5. Step 5: Solve for x
    x = 678,775,594,641,397,120/944,289,929.15
  6. Step 6: Final answer
    x = 718,821,173.12

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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.