Home / 900,828,004.70-1,351,242,007.05-554,659,147.10

Finding the Fourth Proportional to 900,828,004.70, 1,351,242,007.05 and 554,659,147.10

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Solution

The fourth proportional to 900,828,004.70, 1,351,242,007.05 and 554,659,147.10 is: 831,988,720.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,828,004.70 : 1,351,242,007.05 = 554,659,147.10 : x
  2. Step 2: Convert to fraction form
    900,828,004.70/1,351,242,007.05 = 554,659,147.10/x
  3. Step 3: Cross multiply
    900,828,004.70x = 1,351,242,007.05 × 554,659,147.10
  4. Step 4: Simplify right side
    900,828,004.70x = 749,478,739,156,045,184
  5. Step 5: Solve for x
    x = 749,478,739,156,045,184/900,828,004.70
  6. Step 6: Final answer
    x = 831,988,720.65

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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.