Home / 914,587,330.20-1,262,130,513.80-518,110,319.22

Finding the Fourth Proportional to 914,587,330.20, 1,262,130,513.80 and 518,110,319.22

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Solution

The fourth proportional to 914,587,330.20, 1,262,130,513.80 and 518,110,319.22 is: 714,992,239.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,587,330.20 : 1,262,130,513.80 = 518,110,319.22 : x
  2. Step 2: Convert to fraction form
    914,587,330.20/1,262,130,513.80 = 518,110,319.22/x
  3. Step 3: Cross multiply
    914,587,330.20x = 1,262,130,513.80 × 518,110,319.22
  4. Step 4: Simplify right side
    914,587,330.20x = 653,922,843,402,220,672
  5. Step 5: Solve for x
    x = 653,922,843,402,220,672/914,587,330.20
  6. Step 6: Final answer
    x = 714,992,239.46

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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.