Home / 942,998,440.49-1,301,279,212.95-519,588,407.25

Finding the Fourth Proportional to 942,998,440.49, 1,301,279,212.95 and 519,588,407.25

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Solution

The fourth proportional to 942,998,440.49, 1,301,279,212.95 and 519,588,407.25 is: 716,999,694.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,998,440.49 : 1,301,279,212.95 = 519,588,407.25 : x
  2. Step 2: Convert to fraction form
    942,998,440.49/1,301,279,212.95 = 519,588,407.25/x
  3. Step 3: Cross multiply
    942,998,440.49x = 1,301,279,212.95 × 519,588,407.25
  4. Step 4: Simplify right side
    942,998,440.49x = 676,129,593,637,717,760
  5. Step 5: Solve for x
    x = 676,129,593,637,717,760/942,998,440.49
  6. Step 6: Final answer
    x = 716,999,694.39

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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.