Home / 862,401,689.40-1,293,602,534.10-240,615,719.40

Finding the Fourth Proportional to 862,401,689.40, 1,293,602,534.10 and 240,615,719.40

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Solution

The fourth proportional to 862,401,689.40, 1,293,602,534.10 and 240,615,719.40 is: 360,923,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,401,689.40 : 1,293,602,534.10 = 240,615,719.40 : x
  2. Step 2: Convert to fraction form
    862,401,689.40/1,293,602,534.10 = 240,615,719.40/x
  3. Step 3: Cross multiply
    862,401,689.40x = 1,293,602,534.10 × 240,615,719.40
  4. Step 4: Simplify right side
    862,401,689.40x = 311,261,104,360,134,528
  5. Step 5: Solve for x
    x = 311,261,104,360,134,528/862,401,689.40
  6. Step 6: Final answer
    x = 360,923,579.10

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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.