Home / 949,243,102.74-1,309,955,292.63-525,884,274.54

Finding the Fourth Proportional to 949,243,102.74, 1,309,955,292.63 and 525,884,274.54

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Solution

The fourth proportional to 949,243,102.74, 1,309,955,292.63 and 525,884,274.54 is: 725,720,194.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,243,102.74 : 1,309,955,292.63 = 525,884,274.54 : x
  2. Step 2: Convert to fraction form
    949,243,102.74/1,309,955,292.63 = 525,884,274.54/x
  3. Step 3: Cross multiply
    949,243,102.74x = 1,309,955,292.63 × 525,884,274.54
  4. Step 4: Simplify right side
    949,243,102.74x = 688,884,888,744,561,024
  5. Step 5: Solve for x
    x = 688,884,888,744,561,024/949,243,102.74
  6. Step 6: Final answer
    x = 725,720,194.07

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1.5x scale

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.