Home / 787,321,569.60-1,180,982,354.40-459,460,526.40

Finding the Fourth Proportional to 787,321,569.60, 1,180,982,354.40 and 459,460,526.40

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Solution

The fourth proportional to 787,321,569.60, 1,180,982,354.40 and 459,460,526.40 is: 689,190,789.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,321,569.60 : 1,180,982,354.40 = 459,460,526.40 : x
  2. Step 2: Convert to fraction form
    787,321,569.60/1,180,982,354.40 = 459,460,526.40/x
  3. Step 3: Cross multiply
    787,321,569.60x = 1,180,982,354.40 × 459,460,526.40
  4. Step 4: Simplify right side
    787,321,569.60x = 542,614,774,221,735,360
  5. Step 5: Solve for x
    x = 542,614,774,221,735,360/787,321,569.60
  6. Step 6: Final answer
    x = 689,190,789.60

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1.5x scale

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.