Home / 1,020,677,320.80-1,531,016,002.80-293,666,032.80

Finding the Fourth Proportional to 1,020,677,320.80, 1,531,016,002.80 and 293,666,032.80

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Solution

The fourth proportional to 1,020,677,320.80, 1,531,016,002.80 and 293,666,032.80 is: 440,499,055.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,677,320.80 : 1,531,016,002.80 = 293,666,032.80 : x
  2. Step 2: Convert to fraction form
    1,020,677,320.80/1,531,016,002.80 = 293,666,032.80/x
  3. Step 3: Cross multiply
    1,020,677,320.80x = 1,531,016,002.80 × 293,666,032.80
  4. Step 4: Simplify right side
    1,020,677,320.80x = 449,607,395,695,589,696
  5. Step 5: Solve for x
    x = 449,607,395,695,589,696/1,020,677,320.80
  6. Step 6: Final answer
    x = 440,499,055.41

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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.