Home / 646,041,102.95-891,532,187.11-352,685,670.95

Finding the Fourth Proportional to 646,041,102.95, 891,532,187.11 and 352,685,670.95

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Solution

The fourth proportional to 646,041,102.95, 891,532,187.11 and 352,685,670.95 is: 486,703,750.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,041,102.95 : 891,532,187.11 = 352,685,670.95 : x
  2. Step 2: Convert to fraction form
    646,041,102.95/891,532,187.11 = 352,685,670.95/x
  3. Step 3: Cross multiply
    646,041,102.95x = 891,532,187.11 × 352,685,670.95
  4. Step 4: Simplify right side
    646,041,102.95x = 314,430,627,587,080,960
  5. Step 5: Solve for x
    x = 314,430,627,587,080,960/646,041,102.95
  6. Step 6: Final answer
    x = 486,703,750.19

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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.