Home / 646,041,102.20-891,532,186.08-352,685,670.20

Finding the Fourth Proportional to 646,041,102.20, 891,532,186.08 and 352,685,670.20

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Solution

The fourth proportional to 646,041,102.20, 891,532,186.08 and 352,685,670.20 is: 486,703,749.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,041,102.20 : 891,532,186.08 = 352,685,670.20 : x
  2. Step 2: Convert to fraction form
    646,041,102.20/891,532,186.08 = 352,685,670.20/x
  3. Step 3: Cross multiply
    646,041,102.20x = 891,532,186.08 × 352,685,670.20
  4. Step 4: Simplify right side
    646,041,102.20x = 314,430,626,553,402,112
  5. Step 5: Solve for x
    x = 314,430,626,553,402,112/646,041,102.20
  6. Step 6: Final answer
    x = 486,703,749.16

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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.