Home / 808,585,384.89-1,115,847,822.51-437,307,416.26

Finding the Fourth Proportional to 808,585,384.89, 1,115,847,822.51 and 437,307,416.26

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Solution

The fourth proportional to 808,585,384.89, 1,115,847,822.51 and 437,307,416.26 is: 603,484,229.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,585,384.89 : 1,115,847,822.51 = 437,307,416.26 : x
  2. Step 2: Convert to fraction form
    808,585,384.89/1,115,847,822.51 = 437,307,416.26/x
  3. Step 3: Cross multiply
    808,585,384.89x = 1,115,847,822.51 × 437,307,416.26
  4. Step 4: Simplify right side
    808,585,384.89x = 487,968,528,200,928,256
  5. Step 5: Solve for x
    x = 487,968,528,200,928,256/808,585,384.89
  6. Step 6: Final answer
    x = 603,484,229.77

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1.5x scale

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.