Home / 847,128,515.25-1,168,674,720.81-529,036,526.16

Finding the Fourth Proportional to 847,128,515.25, 1,168,674,720.81 and 529,036,526.16

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Solution

The fourth proportional to 847,128,515.25, 1,168,674,720.81 and 529,036,526.16 is: 729,843,941.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,128,515.25 : 1,168,674,720.81 = 529,036,526.16 : x
  2. Step 2: Convert to fraction form
    847,128,515.25/1,168,674,720.81 = 529,036,526.16/x
  3. Step 3: Cross multiply
    847,128,515.25x = 1,168,674,720.81 × 529,036,526.16
  4. Step 4: Simplify right side
    847,128,515.25x = 618,271,614,508,330,240
  5. Step 5: Solve for x
    x = 618,271,614,508,330,240/847,128,515.25
  6. Step 6: Final answer
    x = 729,843,941.48

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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.