Home / 1,109,866,762.94-1,531,421,447.63-633,339,561.47

Finding the Fourth Proportional to 1,109,866,762.94, 1,531,421,447.63 and 633,339,561.47

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Solution

The fourth proportional to 1,109,866,762.94, 1,531,421,447.63 and 633,339,561.47 is: 873,897,498.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,866,762.94 : 1,531,421,447.63 = 633,339,561.47 : x
  2. Step 2: Convert to fraction form
    1,109,866,762.94/1,531,421,447.63 = 633,339,561.47/x
  3. Step 3: Cross multiply
    1,109,866,762.94x = 1,531,421,447.63 × 633,339,561.47
  4. Step 4: Simplify right side
    1,109,866,762.94x = 969,909,788,056,913,024
  5. Step 5: Solve for x
    x = 969,909,788,056,913,024/1,109,866,762.94
  6. Step 6: Final answer
    x = 873,897,498.73

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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.