Home / 51,789,604,615.09-71,468,893,763.05-28,927,075,968.72

Finding the Fourth Proportional to 51,789,604,615.09, 71,468,893,763.05 and 28,927,075,968.72

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Solution

The fourth proportional to 51,789,604,615.09, 71,468,893,763.05 and 28,927,075,968.72 is: 39,918,940,000.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,789,604,615.09 : 71,468,893,763.05 = 28,927,075,968.72 : x
  2. Step 2: Convert to fraction form
    51,789,604,615.09/71,468,893,763.05 = 28,927,075,968.72/x
  3. Step 3: Cross multiply
    51,789,604,615.09x = 71,468,893,763.05 × 28,927,075,968.72
  4. Step 4: Simplify right side
    51,789,604,615.09x = 2,067,386,119,284,068,712,448
  5. Step 5: Solve for x
    x = 2,067,386,119,284,068,712,448/51,789,604,615.09
  6. Step 6: Final answer
    x = 39,918,940,000.59

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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.