Home / 1,273,866,262.60-1,909,910,999.67-564,428,971.54

Finding the Fourth Proportional to 1,273,866,262.60, 1,909,910,999.67 and 564,428,971.54

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Solution

The fourth proportional to 1,273,866,262.60, 1,909,910,999.67 and 564,428,971.54 is: 846,249,824.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,866,262.60 : 1,909,910,999.67 = 564,428,971.54 : x
  2. Step 2: Convert to fraction form
    1,273,866,262.60/1,909,910,999.67 = 564,428,971.54/x
  3. Step 3: Cross multiply
    1,273,866,262.60x = 1,909,910,999.67 × 564,428,971.54
  4. Step 4: Simplify right side
    1,273,866,262.60x = 1,078,009,101,276,671,360
  5. Step 5: Solve for x
    x = 1,078,009,101,276,671,360/1,273,866,262.60
  6. Step 6: Final answer
    x = 846,249,824.59

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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.