Home / 879,060,802.40-1,318,780,160.40-265,707,029.60

Finding the Fourth Proportional to 879,060,802.40, 1,318,780,160.40 and 265,707,029.60

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Solution

The fourth proportional to 879,060,802.40, 1,318,780,160.40 and 265,707,029.60 is: 398,617,658.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,060,802.40 : 1,318,780,160.40 = 265,707,029.60 : x
  2. Step 2: Convert to fraction form
    879,060,802.40/1,318,780,160.40 = 265,707,029.60/x
  3. Step 3: Cross multiply
    879,060,802.40x = 1,318,780,160.40 × 265,707,029.60
  4. Step 4: Simplify right side
    879,060,802.40x = 350,409,159,115,295,552
  5. Step 5: Solve for x
    x = 350,409,159,115,295,552/879,060,802.40
  6. Step 6: Final answer
    x = 398,617,658.94

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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.