Home / 651,686,529.96-977,800,503.42-263,783,569.32

Finding the Fourth Proportional to 651,686,529.96, 977,800,503.42 and 263,783,569.32

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Solution

The fourth proportional to 651,686,529.96, 977,800,503.42 and 263,783,569.32 is: 395,784,928.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,686,529.96 : 977,800,503.42 = 263,783,569.32 : x
  2. Step 2: Convert to fraction form
    651,686,529.96/977,800,503.42 = 263,783,569.32/x
  3. Step 3: Cross multiply
    651,686,529.96x = 977,800,503.42 × 263,783,569.32
  4. Step 4: Simplify right side
    651,686,529.96x = 257,927,706,875,020,448
  5. Step 5: Solve for x
    x = 257,927,706,875,020,448/651,686,529.96
  6. Step 6: Final answer
    x = 395,784,928.82

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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.