Home / 1,688,445,621-2,330,055,177.84-935,807,387.11

Finding the Fourth Proportional to 1,688,445,621, 2,330,055,177.84 and 935,807,387.11

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Solution

The fourth proportional to 1,688,445,621, 2,330,055,177.84 and 935,807,387.11 is: 1,291,414,316.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,445,621 : 2,330,055,177.84 = 935,807,387.11 : x
  2. Step 2: Convert to fraction form
    1,688,445,621/2,330,055,177.84 = 935,807,387.11/x
  3. Step 3: Cross multiply
    1,688,445,621x = 2,330,055,177.84 × 935,807,387.11
  4. Step 4: Simplify right side
    1,688,445,621x = 2,180,482,847,796,577,024
  5. Step 5: Solve for x
    x = 2,180,482,847,796,577,024/1,688,445,621
  6. Step 6: Final answer
    x = 1,291,414,316.62

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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.