Home / 654,815,666.40-982,223,499.60-448,191,405.60

Finding the Fourth Proportional to 654,815,666.40, 982,223,499.60 and 448,191,405.60

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Solution

The fourth proportional to 654,815,666.40, 982,223,499.60 and 448,191,405.60 is: 672,287,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,815,666.40 : 982,223,499.60 = 448,191,405.60 : x
  2. Step 2: Convert to fraction form
    654,815,666.40/982,223,499.60 = 448,191,405.60/x
  3. Step 3: Cross multiply
    654,815,666.40x = 982,223,499.60 × 448,191,405.60
  4. Step 4: Simplify right side
    654,815,666.40x = 440,224,130,899,075,072
  5. Step 5: Solve for x
    x = 440,224,130,899,075,072/654,815,666.40
  6. Step 6: Final answer
    x = 672,287,108.40

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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.