Home / 879,370,237.81-1,319,097,776.66-289,147,409.94

Finding the Fourth Proportional to 879,370,237.81, 1,319,097,776.66 and 289,147,409.94

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Solution

The fourth proportional to 879,370,237.81, 1,319,097,776.66 and 289,147,409.94 is: 433,735,063.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,370,237.81 : 1,319,097,776.66 = 289,147,409.94 : x
  2. Step 2: Convert to fraction form
    879,370,237.81/1,319,097,776.66 = 289,147,409.94/x
  3. Step 3: Cross multiply
    879,370,237.81x = 1,319,097,776.66 × 289,147,409.94
  4. Step 4: Simplify right side
    879,370,237.81x = 381,413,705,573,114,496
  5. Step 5: Solve for x
    x = 381,413,705,573,114,496/879,370,237.81
  6. Step 6: Final answer
    x = 433,735,063.08

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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.