Home / 550,657,180.40-825,985,770.60-385,830,863.60

Finding the Fourth Proportional to 550,657,180.40, 825,985,770.60 and 385,830,863.60

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Solution

The fourth proportional to 550,657,180.40, 825,985,770.60 and 385,830,863.60 is: 578,746,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,657,180.40 : 825,985,770.60 = 385,830,863.60 : x
  2. Step 2: Convert to fraction form
    550,657,180.40/825,985,770.60 = 385,830,863.60/x
  3. Step 3: Cross multiply
    550,657,180.40x = 825,985,770.60 × 385,830,863.60
  4. Step 4: Simplify right side
    550,657,180.40x = 318,690,803,191,909,504
  5. Step 5: Solve for x
    x = 318,690,803,191,909,504/550,657,180.40
  6. Step 6: Final answer
    x = 578,746,295.40

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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.