Home / 1,407,104,929,281.40-1,941,698,236,503.90-789,688,404,147.40

Finding the Fourth Proportional to 1,407,104,929,281.40, 1,941,698,236,503.90 and 789,688,404,147.40

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Solution

The fourth proportional to 1,407,104,929,281.40, 1,941,698,236,503.90 and 789,688,404,147.40 is: 1,089,710,191,338.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,104,929,281.40 : 1,941,698,236,503.90 = 789,688,404,147.40 : x
  2. Step 2: Convert to fraction form
    1,407,104,929,281.40/1,941,698,236,503.90 = 789,688,404,147.40/x
  3. Step 3: Cross multiply
    1,407,104,929,281.40x = 1,941,698,236,503.90 × 789,688,404,147.40
  4. Step 4: Simplify right side
    1,407,104,929,281.40x = 1,533,336,581,720,585,489,350,656
  5. Step 5: Solve for x
    x = 1,533,336,581,720,585,489,350,656/1,407,104,929,281.40
  6. Step 6: Final answer
    x = 1,089,710,191,338.50

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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.