Home / 651,761,404.65-899,435,417.36-354,401,516.01

Finding the Fourth Proportional to 651,761,404.65, 899,435,417.36 and 354,401,516.01

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Solution

The fourth proportional to 651,761,404.65, 899,435,417.36 and 354,401,516.01 is: 489,076,636.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,761,404.65 : 899,435,417.36 = 354,401,516.01 : x
  2. Step 2: Convert to fraction form
    651,761,404.65/899,435,417.36 = 354,401,516.01/x
  3. Step 3: Cross multiply
    651,761,404.65x = 899,435,417.36 × 354,401,516.01
  4. Step 4: Simplify right side
    651,761,404.65x = 318,761,275,467,548,288
  5. Step 5: Solve for x
    x = 318,761,275,467,548,288/651,761,404.65
  6. Step 6: Final answer
    x = 489,076,636.32

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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.