Home / 448,506,116.10-672,885,145.35-218,482,704.90

Finding the Fourth Proportional to 448,506,116.10, 672,885,145.35 and 218,482,704.90

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Solution

The fourth proportional to 448,506,116.10, 672,885,145.35 and 218,482,704.90 is: 327,785,422.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,506,116.10 : 672,885,145.35 = 218,482,704.90 : x
  2. Step 2: Convert to fraction form
    448,506,116.10/672,885,145.35 = 218,482,704.90/x
  3. Step 3: Cross multiply
    448,506,116.10x = 672,885,145.35 × 218,482,704.90
  4. Step 4: Simplify right side
    448,506,116.10x = 147,013,766,643,097,664
  5. Step 5: Solve for x
    x = 147,013,766,643,097,664/448,506,116.10
  6. Step 6: Final answer
    x = 327,785,422.24

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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.