Home / 440,034,606,874.80-660,051,910,312.20-289,405,520,751.60

Finding the Fourth Proportional to 440,034,606,874.80, 660,051,910,312.20 and 289,405,520,751.60

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Solution

The fourth proportional to 440,034,606,874.80, 660,051,910,312.20 and 289,405,520,751.60 is: 434,108,281,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,034,606,874.80 : 660,051,910,312.20 = 289,405,520,751.60 : x
  2. Step 2: Convert to fraction form
    440,034,606,874.80/660,051,910,312.20 = 289,405,520,751.60/x
  3. Step 3: Cross multiply
    440,034,606,874.80x = 660,051,910,312.20 × 289,405,520,751.60
  4. Step 4: Simplify right side
    440,034,606,874.80x = 191,022,666,826,990,577,778,688
  5. Step 5: Solve for x
    x = 191,022,666,826,990,577,778,688/440,034,606,874.80
  6. Step 6: Final answer
    x = 434,108,281,127.40

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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.