Home / 13,446,642,430.40-20,169,963,645.60-4,130,375,412.20

Finding the Fourth Proportional to 13,446,642,430.40, 20,169,963,645.60 and 4,130,375,412.20

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Solution

The fourth proportional to 13,446,642,430.40, 20,169,963,645.60 and 4,130,375,412.20 is: 6,195,563,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446,642,430.40 : 20,169,963,645.60 = 4,130,375,412.20 : x
  2. Step 2: Convert to fraction form
    13,446,642,430.40/20,169,963,645.60 = 4,130,375,412.20/x
  3. Step 3: Cross multiply
    13,446,642,430.40x = 20,169,963,645.60 × 4,130,375,412.20
  4. Step 4: Simplify right side
    13,446,642,430.40x = 83,309,521,906,754,109,440
  5. Step 5: Solve for x
    x = 83,309,521,906,754,109,440/13,446,642,430.40
  6. Step 6: Final answer
    x = 6,195,563,118.30

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1.5x scale

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.