Home / 869,253,602.40-1,303,880,403.60-223,021,346.40

Finding the Fourth Proportional to 869,253,602.40, 1,303,880,403.60 and 223,021,346.40

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Solution

The fourth proportional to 869,253,602.40, 1,303,880,403.60 and 223,021,346.40 is: 334,532,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,253,602.40 : 1,303,880,403.60 = 223,021,346.40 : x
  2. Step 2: Convert to fraction form
    869,253,602.40/1,303,880,403.60 = 223,021,346.40/x
  3. Step 3: Cross multiply
    869,253,602.40x = 1,303,880,403.60 × 223,021,346.40
  4. Step 4: Simplify right side
    869,253,602.40x = 290,793,163,155,447,424
  5. Step 5: Solve for x
    x = 290,793,163,155,447,424/869,253,602.40
  6. Step 6: Final answer
    x = 334,532,019.60

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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.