Home / 1,407,104,929,282.80-1,941,698,236,505.60-789,688,404,148.80

Finding the Fourth Proportional to 1,407,104,929,282.80, 1,941,698,236,505.60 and 789,688,404,148.80

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Solution

The fourth proportional to 1,407,104,929,282.80, 1,941,698,236,505.60 and 789,688,404,148.80 is: 1,089,710,191,340.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,104,929,282.80 : 1,941,698,236,505.60 = 789,688,404,148.80 : x
  2. Step 2: Convert to fraction form
    1,407,104,929,282.80/1,941,698,236,505.60 = 789,688,404,148.80/x
  3. Step 3: Cross multiply
    1,407,104,929,282.80x = 1,941,698,236,505.60 × 789,688,404,148.80
  4. Step 4: Simplify right side
    1,407,104,929,282.80x = 1,533,336,581,724,646,649,364,480
  5. Step 5: Solve for x
    x = 1,533,336,581,724,646,649,364,480/1,407,104,929,282.80
  6. Step 6: Final answer
    x = 1,089,710,191,340.31

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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.