Home / 1,407,104,929,283.10-1,941,698,236,506.20-789,688,404,149.15

Finding the Fourth Proportional to 1,407,104,929,283.10, 1,941,698,236,506.20 and 789,688,404,149.15

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Solution

The fourth proportional to 1,407,104,929,283.10, 1,941,698,236,506.20 and 789,688,404,149.15 is: 1,089,710,191,340.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,104,929,283.10 : 1,941,698,236,506.20 = 789,688,404,149.15 : x
  2. Step 2: Convert to fraction form
    1,407,104,929,283.10/1,941,698,236,506.20 = 789,688,404,149.15/x
  3. Step 3: Cross multiply
    1,407,104,929,283.10x = 1,941,698,236,506.20 × 789,688,404,149.15
  4. Step 4: Simplify right side
    1,407,104,929,283.10x = 1,533,336,581,725,799,848,083,456
  5. Step 5: Solve for x
    x = 1,533,336,581,725,799,848,083,456/1,407,104,929,283.10
  6. Step 6: Final answer
    x = 1,089,710,191,340.89

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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.