Home / 663,714,401.40-995,571,602.10-457,090,140.60

Finding the Fourth Proportional to 663,714,401.40, 995,571,602.10 and 457,090,140.60

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Solution

The fourth proportional to 663,714,401.40, 995,571,602.10 and 457,090,140.60 is: 685,635,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,714,401.40 : 995,571,602.10 = 457,090,140.60 : x
  2. Step 2: Convert to fraction form
    663,714,401.40/995,571,602.10 = 457,090,140.60/x
  3. Step 3: Cross multiply
    663,714,401.40x = 995,571,602.10 × 457,090,140.60
  4. Step 4: Simplify right side
    663,714,401.40x = 455,065,963,581,256,320
  5. Step 5: Solve for x
    x = 455,065,963,581,256,320/663,714,401.40
  6. Step 6: Final answer
    x = 685,635,210.90

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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.