Home / 651,686,476.96-977,800,423.92-263,783,516.32

Finding the Fourth Proportional to 651,686,476.96, 977,800,423.92 and 263,783,516.32

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Solution

The fourth proportional to 651,686,476.96, 977,800,423.92 and 263,783,516.32 is: 395,784,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,686,476.96 : 977,800,423.92 = 263,783,516.32 : x
  2. Step 2: Convert to fraction form
    651,686,476.96/977,800,423.92 = 263,783,516.32/x
  3. Step 3: Cross multiply
    651,686,476.96x = 977,800,423.92 × 263,783,516.32
  4. Step 4: Simplify right side
    651,686,476.96x = 257,927,634,080,804,224
  5. Step 5: Solve for x
    x = 257,927,634,080,804,224/651,686,476.96
  6. Step 6: Final answer
    x = 395,784,849.31

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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.