Home / 651,728,953.80-977,593,430.70-406,362,644.10

Finding the Fourth Proportional to 651,728,953.80, 977,593,430.70 and 406,362,644.10

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Solution

The fourth proportional to 651,728,953.80, 977,593,430.70 and 406,362,644.10 is: 609,543,966.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,728,953.80 : 977,593,430.70 = 406,362,644.10 : x
  2. Step 2: Convert to fraction form
    651,728,953.80/977,593,430.70 = 406,362,644.10/x
  3. Step 3: Cross multiply
    651,728,953.80x = 977,593,430.70 × 406,362,644.10
  4. Step 4: Simplify right side
    651,728,953.80x = 397,257,451,354,042,176
  5. Step 5: Solve for x
    x = 397,257,451,354,042,176/651,728,953.80
  6. Step 6: Final answer
    x = 609,543,966.15

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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.