Home / 809,183,935.76-1,116,677,349.96-437,905,999.92

Finding the Fourth Proportional to 809,183,935.76, 1,116,677,349.96 and 437,905,999.92

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Solution

The fourth proportional to 809,183,935.76, 1,116,677,349.96 and 437,905,999.92 is: 604,312,184.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,183,935.76 : 1,116,677,349.96 = 437,905,999.92 : x
  2. Step 2: Convert to fraction form
    809,183,935.76/1,116,677,349.96 = 437,905,999.92/x
  3. Step 3: Cross multiply
    809,183,935.76x = 1,116,677,349.96 × 437,905,999.92
  4. Step 4: Simplify right side
    809,183,935.76x = 488,999,711,522,249,600
  5. Step 5: Solve for x
    x = 488,999,711,522,249,600/809,183,935.76
  6. Step 6: Final answer
    x = 604,312,184.06

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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.