Home / 651,943,822.20-977,579,810.10-242,789,364.60

Finding the Fourth Proportional to 651,943,822.20, 977,579,810.10 and 242,789,364.60

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Solution

The fourth proportional to 651,943,822.20, 977,579,810.10 and 242,789,364.60 is: 364,058,946.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,943,822.20 : 977,579,810.10 = 242,789,364.60 : x
  2. Step 2: Convert to fraction form
    651,943,822.20/977,579,810.10 = 242,789,364.60/x
  3. Step 3: Cross multiply
    651,943,822.20x = 977,579,810.10 × 242,789,364.60
  4. Step 4: Simplify right side
    651,943,822.20x = 237,345,980,939,967,648
  5. Step 5: Solve for x
    x = 237,345,980,939,967,648/651,943,822.20
  6. Step 6: Final answer
    x = 364,058,946.27

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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.