Home / 877,023,617.49-1,315,701,344.75-352,433,556.32

Finding the Fourth Proportional to 877,023,617.49, 1,315,701,344.75 and 352,433,556.32

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Solution

The fourth proportional to 877,023,617.49, 1,315,701,344.75 and 352,433,556.32 is: 528,717,009.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,023,617.49 : 1,315,701,344.75 = 352,433,556.32 : x
  2. Step 2: Convert to fraction form
    877,023,617.49/1,315,701,344.75 = 352,433,556.32/x
  3. Step 3: Cross multiply
    877,023,617.49x = 1,315,701,344.75 × 352,433,556.32
  4. Step 4: Simplify right side
    877,023,617.49x = 463,697,303,976,908,160
  5. Step 5: Solve for x
    x = 463,697,303,976,908,160/877,023,617.49
  6. Step 6: Final answer
    x = 528,717,009.13

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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.