Home / 808,585,386.39-1,115,847,824.58-437,307,417.77

Finding the Fourth Proportional to 808,585,386.39, 1,115,847,824.58 and 437,307,417.77

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Solution

The fourth proportional to 808,585,386.39, 1,115,847,824.58 and 437,307,417.77 is: 603,484,231.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,585,386.39 : 1,115,847,824.58 = 437,307,417.77 : x
  2. Step 2: Convert to fraction form
    808,585,386.39/1,115,847,824.58 = 437,307,417.77/x
  3. Step 3: Cross multiply
    808,585,386.39x = 1,115,847,824.58 × 437,307,417.77
  4. Step 4: Simplify right side
    808,585,386.39x = 487,968,530,785,772,416
  5. Step 5: Solve for x
    x = 487,968,530,785,772,416/808,585,386.39
  6. Step 6: Final answer
    x = 603,484,231.84

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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.