Home / 448,415,999.40-672,623,999.10-448,415,999.40

Finding the Fourth Proportional to 448,415,999.40, 672,623,999.10 and 448,415,999.40

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Solution

The fourth proportional to 448,415,999.40, 672,623,999.10 and 448,415,999.40 is: 672,623,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,415,999.40 : 672,623,999.10 = 448,415,999.40 : x
  2. Step 2: Convert to fraction form
    448,415,999.40/672,623,999.10 = 448,415,999.40/x
  3. Step 3: Cross multiply
    448,415,999.40x = 672,623,999.10 × 448,415,999.40
  4. Step 4: Simplify right side
    448,415,999.40x = 301,615,362,776,851,200
  5. Step 5: Solve for x
    x = 301,615,362,776,851,200/448,415,999.40
  6. Step 6: Final answer
    x = 672,623,999.10

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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.