Home / 726,966,082.40-1,090,455,344.40-242,291,890.40

Finding the Fourth Proportional to 726,966,082.40, 1,090,455,344.40 and 242,291,890.40

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Solution

The fourth proportional to 726,966,082.40, 1,090,455,344.40 and 242,291,890.40 is: 363,439,908.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,966,082.40 : 1,090,455,344.40 = 242,291,890.40 : x
  2. Step 2: Convert to fraction form
    726,966,082.40/1,090,455,344.40 = 242,291,890.40/x
  3. Step 3: Cross multiply
    726,966,082.40x = 1,090,455,344.40 × 242,291,890.40
  4. Step 4: Simplify right side
    726,966,082.40x = 264,208,486,791,459,072
  5. Step 5: Solve for x
    x = 264,208,486,791,459,072/726,966,082.40
  6. Step 6: Final answer
    x = 363,439,908.94

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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.