Home / 7,191,145,197.63-9,923,380,075.13-3,975,869,300.10

Finding the Fourth Proportional to 7,191,145,197.63, 9,923,380,075.13 and 3,975,869,300.10

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Solution

The fourth proportional to 7,191,145,197.63, 9,923,380,075.13 and 3,975,869,300.10 is: 5,486,478,315.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191,145,197.63 : 9,923,380,075.13 = 3,975,869,300.10 : x
  2. Step 2: Convert to fraction form
    7,191,145,197.63/9,923,380,075.13 = 3,975,869,300.10/x
  3. Step 3: Cross multiply
    7,191,145,197.63x = 9,923,380,075.13 × 3,975,869,300.10
  4. Step 4: Simplify right side
    7,191,145,197.63x = 39,454,062,193,913,520,128
  5. Step 5: Solve for x
    x = 39,454,062,193,913,520,128/7,191,145,197.63
  6. Step 6: Final answer
    x = 5,486,478,315.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.