Home / 439,828,088.80-659,308,232.40-245,832,440.80

Finding the Fourth Proportional to 439,828,088.80, 659,308,232.40 and 245,832,440.80

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Solution

The fourth proportional to 439,828,088.80, 659,308,232.40 and 245,832,440.80 is: 368,506,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,828,088.80 : 659,308,232.40 = 245,832,440.80 : x
  2. Step 2: Convert to fraction form
    439,828,088.80/659,308,232.40 = 245,832,440.80/x
  3. Step 3: Cross multiply
    439,828,088.80x = 659,308,232.40 × 245,832,440.80
  4. Step 4: Simplify right side
    439,828,088.80x = 162,079,352,010,425,632
  5. Step 5: Solve for x
    x = 162,079,352,010,425,632/439,828,088.80
  6. Step 6: Final answer
    x = 368,506,141.69

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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.