Home / 1,321,880,157,447.10-1,983,725,960,587.80-461,354,326,693.28

Finding the Fourth Proportional to 1,321,880,157,447.10, 1,983,725,960,587.80 and 461,354,326,693.28

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Solution

The fourth proportional to 1,321,880,157,447.10, 1,983,725,960,587.80 and 461,354,326,693.28 is: 692,347,600,298.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,880,157,447.10 : 1,983,725,960,587.80 = 461,354,326,693.28 : x
  2. Step 2: Convert to fraction form
    1,321,880,157,447.10/1,983,725,960,587.80 = 461,354,326,693.28/x
  3. Step 3: Cross multiply
    1,321,880,157,447.10x = 1,983,725,960,587.80 × 461,354,326,693.28
  4. Step 4: Simplify right side
    1,321,880,157,447.10x = 915,200,554,890,964,632,600,576
  5. Step 5: Solve for x
    x = 915,200,554,890,964,632,600,576/1,321,880,157,447.10
  6. Step 6: Final answer
    x = 692,347,600,298.70

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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.