Home / 371,358,570,060.95-512,476,562,157.65-210,975,288,277.91

Finding the Fourth Proportional to 371,358,570,060.95, 512,476,562,157.65 and 210,975,288,277.91

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Solution

The fourth proportional to 371,358,570,060.95, 512,476,562,157.65 and 210,975,288,277.91 is: 291,146,883,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,358,570,060.95 : 512,476,562,157.65 = 210,975,288,277.91 : x
  2. Step 2: Convert to fraction form
    371,358,570,060.95/512,476,562,157.65 = 210,975,288,277.91/x
  3. Step 3: Cross multiply
    371,358,570,060.95x = 512,476,562,157.65 × 210,975,288,277.91
  4. Step 4: Simplify right side
    371,358,570,060.95x = 108,119,890,436,882,478,137,344
  5. Step 5: Solve for x
    x = 108,119,890,436,882,478,137,344/371,358,570,060.95
  6. Step 6: Final answer
    x = 291,146,883,776.34

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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.