Home / 1,407,104,929,272.30-1,941,698,236,491.30-789,688,404,138.29

Finding the Fourth Proportional to 1,407,104,929,272.30, 1,941,698,236,491.30 and 789,688,404,138.29

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Solution

The fourth proportional to 1,407,104,929,272.30, 1,941,698,236,491.30 and 789,688,404,138.29 is: 1,089,710,191,325.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,104,929,272.30 : 1,941,698,236,491.30 = 789,688,404,138.29 : x
  2. Step 2: Convert to fraction form
    1,407,104,929,272.30/1,941,698,236,491.30 = 789,688,404,138.29/x
  3. Step 3: Cross multiply
    1,407,104,929,272.30x = 1,941,698,236,491.30 × 789,688,404,138.29
  4. Step 4: Simplify right side
    1,407,104,929,272.30x = 1,533,336,581,692,946,837,929,984
  5. Step 5: Solve for x
    x = 1,533,336,581,692,946,837,929,984/1,407,104,929,272.30
  6. Step 6: Final answer
    x = 1,089,710,191,325.91

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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.