Home / 531,442,568.10-797,163,852.15-415,216,421.40

Finding the Fourth Proportional to 531,442,568.10, 797,163,852.15 and 415,216,421.40

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Solution

The fourth proportional to 531,442,568.10, 797,163,852.15 and 415,216,421.40 is: 622,824,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,442,568.10 : 797,163,852.15 = 415,216,421.40 : x
  2. Step 2: Convert to fraction form
    531,442,568.10/797,163,852.15 = 415,216,421.40/x
  3. Step 3: Cross multiply
    531,442,568.10x = 797,163,852.15 × 415,216,421.40
  4. Step 4: Simplify right side
    531,442,568.10x = 330,995,521,959,161,664
  5. Step 5: Solve for x
    x = 330,995,521,959,161,664/531,442,568.10
  6. Step 6: Final answer
    x = 622,824,632.10

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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.