Home / 442,684,297.72-663,980,820.36-147,547,528.12

Finding the Fourth Proportional to 442,684,297.72, 663,980,820.36 and 147,547,528.12

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Solution

The fourth proportional to 442,684,297.72, 663,980,820.36 and 147,547,528.12 is: 221,306,084.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,684,297.72 : 663,980,820.36 = 147,547,528.12 : x
  2. Step 2: Convert to fraction form
    442,684,297.72/663,980,820.36 = 147,547,528.12/x
  3. Step 3: Cross multiply
    442,684,297.72x = 663,980,820.36 × 147,547,528.12
  4. Step 4: Simplify right side
    442,684,297.72x = 97,968,728,763,207,776
  5. Step 5: Solve for x
    x = 97,968,728,763,207,776/442,684,297.72
  6. Step 6: Final answer
    x = 221,306,084.87

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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.