Home / 923,526,621.40-1,385,289,932.10-840,217,667.80

Finding the Fourth Proportional to 923,526,621.40, 1,385,289,932.10 and 840,217,667.80

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Solution

The fourth proportional to 923,526,621.40, 1,385,289,932.10 and 840,217,667.80 is: 1,260,326,501.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,526,621.40 : 1,385,289,932.10 = 840,217,667.80 : x
  2. Step 2: Convert to fraction form
    923,526,621.40/1,385,289,932.10 = 840,217,667.80/x
  3. Step 3: Cross multiply
    923,526,621.40x = 1,385,289,932.10 × 840,217,667.80
  4. Step 4: Simplify right side
    923,526,621.40x = 1,163,945,075,975,882,240
  5. Step 5: Solve for x
    x = 1,163,945,075,975,882,240/923,526,621.40
  6. Step 6: Final answer
    x = 1,260,326,501.70

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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.