Home / 999,377,460,218.30-1,379,140,895,101.20-571,665,240,362.20

Finding the Fourth Proportional to 999,377,460,218.30, 1,379,140,895,101.20 and 571,665,240,362.20

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Solution

The fourth proportional to 999,377,460,218.30, 1,379,140,895,101.20 and 571,665,240,362.20 is: 788,898,031,699.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,377,460,218.30 : 1,379,140,895,101.20 = 571,665,240,362.20 : x
  2. Step 2: Convert to fraction form
    999,377,460,218.30/1,379,140,895,101.20 = 571,665,240,362.20/x
  3. Step 3: Cross multiply
    999,377,460,218.30x = 1,379,140,895,101.20 × 571,665,240,362.20
  4. Step 4: Simplify right side
    999,377,460,218.30x = 788,406,911,291,367,033,405,440
  5. Step 5: Solve for x
    x = 788,406,911,291,367,033,405,440/999,377,460,218.30
  6. Step 6: Final answer
    x = 788,898,031,699.81

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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.