Home / 710,593,090.80-1,065,889,636.20-404,483,074.80

Finding the Fourth Proportional to 710,593,090.80, 1,065,889,636.20 and 404,483,074.80

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Solution

The fourth proportional to 710,593,090.80, 1,065,889,636.20 and 404,483,074.80 is: 606,724,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,593,090.80 : 1,065,889,636.20 = 404,483,074.80 : x
  2. Step 2: Convert to fraction form
    710,593,090.80/1,065,889,636.20 = 404,483,074.80/x
  3. Step 3: Cross multiply
    710,593,090.80x = 1,065,889,636.20 × 404,483,074.80
  4. Step 4: Simplify right side
    710,593,090.80x = 431,134,317,447,629,440
  5. Step 5: Solve for x
    x = 431,134,317,447,629,440/710,593,090.80
  6. Step 6: Final answer
    x = 606,724,612.20

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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.