Home / 1,555,000,206,740.50-2,329,953,186,304.60-828,159,840,130.78

Finding the Fourth Proportional to 1,555,000,206,740.50, 2,329,953,186,304.60 and 828,159,840,130.78

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Solution

The fourth proportional to 1,555,000,206,740.50, 2,329,953,186,304.60 and 828,159,840,130.78 is: 1,240,883,216,553.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,000,206,740.50 : 2,329,953,186,304.60 = 828,159,840,130.78 : x
  2. Step 2: Convert to fraction form
    1,555,000,206,740.50/2,329,953,186,304.60 = 828,159,840,130.78/x
  3. Step 3: Cross multiply
    1,555,000,206,740.50x = 2,329,953,186,304.60 × 828,159,840,130.78
  4. Step 4: Simplify right side
    1,555,000,206,740.50x = 1,929,573,658,282,219,270,045,696
  5. Step 5: Solve for x
    x = 1,929,573,658,282,219,270,045,696/1,555,000,206,740.50
  6. Step 6: Final answer
    x = 1,240,883,216,553.96

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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.