Home / 983,426,740.80-1,475,214,760.80-293,280,129.60

Finding the Fourth Proportional to 983,426,740.80, 1,475,214,760.80 and 293,280,129.60

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Solution

The fourth proportional to 983,426,740.80, 1,475,214,760.80 and 293,280,129.60 is: 439,942,456.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,426,740.80 : 1,475,214,760.80 = 293,280,129.60 : x
  2. Step 2: Convert to fraction form
    983,426,740.80/1,475,214,760.80 = 293,280,129.60/x
  3. Step 3: Cross multiply
    983,426,740.80x = 1,475,214,760.80 × 293,280,129.60
  4. Step 4: Simplify right side
    983,426,740.80x = 432,651,176,235,257,024
  5. Step 5: Solve for x
    x = 432,651,176,235,257,024/983,426,740.80
  6. Step 6: Final answer
    x = 439,942,456.60

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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.