Home / 338,289,420.90-507,490,118.55-144,293,772.90

Finding the Fourth Proportional to 338,289,420.90, 507,490,118.55 and 144,293,772.90

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Solution

The fourth proportional to 338,289,420.90, 507,490,118.55 and 144,293,772.90 is: 216,464,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,289,420.90 : 507,490,118.55 = 144,293,772.90 : x
  2. Step 2: Convert to fraction form
    338,289,420.90/507,490,118.55 = 144,293,772.90/x
  3. Step 3: Cross multiply
    338,289,420.90x = 507,490,118.55 × 144,293,772.90
  4. Step 4: Simplify right side
    338,289,420.90x = 73,227,663,915,047,776
  5. Step 5: Solve for x
    x = 73,227,663,915,047,776/338,289,420.90
  6. Step 6: Final answer
    x = 216,464,540.10

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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.