Home / 655,842,540,063.80-983,763,810,095.70-391,145,808,006.20

Finding the Fourth Proportional to 655,842,540,063.80, 983,763,810,095.70 and 391,145,808,006.20

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Solution

The fourth proportional to 655,842,540,063.80, 983,763,810,095.70 and 391,145,808,006.20 is: 586,718,712,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,842,540,063.80 : 983,763,810,095.70 = 391,145,808,006.20 : x
  2. Step 2: Convert to fraction form
    655,842,540,063.80/983,763,810,095.70 = 391,145,808,006.20/x
  3. Step 3: Cross multiply
    655,842,540,063.80x = 983,763,810,095.70 × 391,145,808,006.20
  4. Step 4: Simplify right side
    655,842,540,063.80x = 384,795,090,387,140,477,976,576
  5. Step 5: Solve for x
    x = 384,795,090,387,140,477,976,576/655,842,540,063.80
  6. Step 6: Final answer
    x = 586,718,712,009.30

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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.