Home / 914,587,319.50-1,262,130,499.06-518,110,308.52

Finding the Fourth Proportional to 914,587,319.50, 1,262,130,499.06 and 518,110,308.52

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Solution

The fourth proportional to 914,587,319.50, 1,262,130,499.06 and 518,110,308.52 is: 714,992,224.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,587,319.50 : 1,262,130,499.06 = 518,110,308.52 : x
  2. Step 2: Convert to fraction form
    914,587,319.50/1,262,130,499.06 = 518,110,308.52/x
  3. Step 3: Cross multiply
    914,587,319.50x = 1,262,130,499.06 × 518,110,308.52
  4. Step 4: Simplify right side
    914,587,319.50x = 653,922,822,262,677,504
  5. Step 5: Solve for x
    x = 653,922,822,262,677,504/914,587,319.50
  6. Step 6: Final answer
    x = 714,992,224.71

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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.