Home / 371,358,570,060.45-512,476,562,156.95-210,975,288,277.41

Finding the Fourth Proportional to 371,358,570,060.45, 512,476,562,156.95 and 210,975,288,277.41

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Solution

The fourth proportional to 371,358,570,060.45, 512,476,562,156.95 and 210,975,288,277.41 is: 291,146,883,775.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,358,570,060.45 : 512,476,562,156.95 = 210,975,288,277.41 : x
  2. Step 2: Convert to fraction form
    371,358,570,060.45/512,476,562,156.95 = 210,975,288,277.41/x
  3. Step 3: Cross multiply
    371,358,570,060.45x = 512,476,562,156.95 × 210,975,288,277.41
  4. Step 4: Simplify right side
    371,358,570,060.45x = 108,119,890,436,478,549,884,928
  5. Step 5: Solve for x
    x = 108,119,890,436,478,549,884,928/371,358,570,060.45
  6. Step 6: Final answer
    x = 291,146,883,775.64

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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.