Home / 874,440,036.89-1,311,889,779.03-314,258,424.92

Finding the Fourth Proportional to 874,440,036.89, 1,311,889,779.03 and 314,258,424.92

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Solution

The fourth proportional to 874,440,036.89, 1,311,889,779.03 and 314,258,424.92 is: 471,470,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,440,036.89 : 1,311,889,779.03 = 314,258,424.92 : x
  2. Step 2: Convert to fraction form
    874,440,036.89/1,311,889,779.03 = 314,258,424.92/x
  3. Step 3: Cross multiply
    874,440,036.89x = 1,311,889,779.03 × 314,258,424.92
  4. Step 4: Simplify right side
    874,440,036.89x = 412,272,415,626,614,656
  5. Step 5: Solve for x
    x = 412,272,415,626,614,656/874,440,036.89
  6. Step 6: Final answer
    x = 471,470,196.05

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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.