Home / 702,051,272.10-1,053,076,908.15-339,254,216.10

Finding the Fourth Proportional to 702,051,272.10, 1,053,076,908.15 and 339,254,216.10

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Solution

The fourth proportional to 702,051,272.10, 1,053,076,908.15 and 339,254,216.10 is: 508,881,324.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,051,272.10 : 1,053,076,908.15 = 339,254,216.10 : x
  2. Step 2: Convert to fraction form
    702,051,272.10/1,053,076,908.15 = 339,254,216.10/x
  3. Step 3: Cross multiply
    702,051,272.10x = 1,053,076,908.15 × 339,254,216.10
  4. Step 4: Simplify right side
    702,051,272.10x = 357,260,780,967,440,000
  5. Step 5: Solve for x
    x = 357,260,780,967,440,000/702,051,272.10
  6. Step 6: Final answer
    x = 508,881,324.15

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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.