Home / 999,377,460,170.40-1,379,140,895,035.20-571,665,240,314.40

Finding the Fourth Proportional to 999,377,460,170.40, 1,379,140,895,035.20 and 571,665,240,314.40

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Solution

The fourth proportional to 999,377,460,170.40, 1,379,140,895,035.20 and 571,665,240,314.40 is: 788,898,031,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,377,460,170.40 : 1,379,140,895,035.20 = 571,665,240,314.40 : x
  2. Step 2: Convert to fraction form
    999,377,460,170.40/1,379,140,895,035.20 = 571,665,240,314.40/x
  3. Step 3: Cross multiply
    999,377,460,170.40x = 1,379,140,895,035.20 × 571,665,240,314.40
  4. Step 4: Simplify right side
    999,377,460,170.40x = 788,406,911,187,714,305,949,696
  5. Step 5: Solve for x
    x = 788,406,911,187,714,305,949,696/999,377,460,170.40
  6. Step 6: Final answer
    x = 788,898,031,633.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.