Home / 449,064,666.40-673,596,999.60-255,572,903.20

Finding the Fourth Proportional to 449,064,666.40, 673,596,999.60 and 255,572,903.20

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Solution

The fourth proportional to 449,064,666.40, 673,596,999.60 and 255,572,903.20 is: 383,359,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,064,666.40 : 673,596,999.60 = 255,572,903.20 : x
  2. Step 2: Convert to fraction form
    449,064,666.40/673,596,999.60 = 255,572,903.20/x
  3. Step 3: Cross multiply
    449,064,666.40x = 673,596,999.60 × 255,572,903.20
  4. Step 4: Simplify right side
    449,064,666.40x = 172,153,140,774,581,248
  5. Step 5: Solve for x
    x = 172,153,140,774,581,248/449,064,666.40
  6. Step 6: Final answer
    x = 383,359,354.80

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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.