Home / 1,658,647,146.72-2,487,980,020.95-553,248,968.88

Finding the Fourth Proportional to 1,658,647,146.72, 2,487,980,020.95 and 553,248,968.88

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Solution

The fourth proportional to 1,658,647,146.72, 2,487,980,020.95 and 553,248,968.88 is: 829,876,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,647,146.72 : 2,487,980,020.95 = 553,248,968.88 : x
  2. Step 2: Convert to fraction form
    1,658,647,146.72/2,487,980,020.95 = 553,248,968.88/x
  3. Step 3: Cross multiply
    1,658,647,146.72x = 2,487,980,020.95 × 553,248,968.88
  4. Step 4: Simplify right side
    1,658,647,146.72x = 1,376,472,381,184,628,224
  5. Step 5: Solve for x
    x = 1,376,472,381,184,628,224/1,658,647,146.72
  6. Step 6: Final answer
    x = 829,876,555.67

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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.