Home / 873,679,389.40-1,310,519,084.10-414,514,365.40

Finding the Fourth Proportional to 873,679,389.40, 1,310,519,084.10 and 414,514,365.40

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Solution

The fourth proportional to 873,679,389.40, 1,310,519,084.10 and 414,514,365.40 is: 621,771,548.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,679,389.40 : 1,310,519,084.10 = 414,514,365.40 : x
  2. Step 2: Convert to fraction form
    873,679,389.40/1,310,519,084.10 = 414,514,365.40/x
  3. Step 3: Cross multiply
    873,679,389.40x = 1,310,519,084.10 × 414,514,365.40
  4. Step 4: Simplify right side
    873,679,389.40x = 543,228,986,490,300,672
  5. Step 5: Solve for x
    x = 543,228,986,490,300,672/873,679,389.40
  6. Step 6: Final answer
    x = 621,771,548.10

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Double scale
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1.5x scale

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.