Home / 869,253,603.40-1,303,880,405.10-223,021,347.40

Finding the Fourth Proportional to 869,253,603.40, 1,303,880,405.10 and 223,021,347.40

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Solution

The fourth proportional to 869,253,603.40, 1,303,880,405.10 and 223,021,347.40 is: 334,532,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,253,603.40 : 1,303,880,405.10 = 223,021,347.40 : x
  2. Step 2: Convert to fraction form
    869,253,603.40/1,303,880,405.10 = 223,021,347.40/x
  3. Step 3: Cross multiply
    869,253,603.40x = 1,303,880,405.10 × 223,021,347.40
  4. Step 4: Simplify right side
    869,253,603.40x = 290,793,164,793,859,840
  5. Step 5: Solve for x
    x = 290,793,164,793,859,840/869,253,603.40
  6. Step 6: Final answer
    x = 334,532,021.10

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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.