Home / 977,793,457.80-1,467,336,285.90-460,371,851.40

Finding the Fourth Proportional to 977,793,457.80, 1,467,336,285.90 and 460,371,851.40

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Solution

The fourth proportional to 977,793,457.80, 1,467,336,285.90 and 460,371,851.40 is: 690,861,978.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,793,457.80 : 1,467,336,285.90 = 460,371,851.40 : x
  2. Step 2: Convert to fraction form
    977,793,457.80/1,467,336,285.90 = 460,371,851.40/x
  3. Step 3: Cross multiply
    977,793,457.80x = 1,467,336,285.90 × 460,371,851.40
  4. Step 4: Simplify right side
    977,793,457.80x = 675,520,322,566,182,784
  5. Step 5: Solve for x
    x = 675,520,322,566,182,784/977,793,457.80
  6. Step 6: Final answer
    x = 690,861,978.24

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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.