Home / 999,377,460,167.28-1,379,140,895,030.90-571,665,240,311.31

Finding the Fourth Proportional to 999,377,460,167.28, 1,379,140,895,030.90 and 571,665,240,311.31

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Solution

The fourth proportional to 999,377,460,167.28, 1,379,140,895,030.90 and 571,665,240,311.31 is: 788,898,031,629.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,377,460,167.28 : 1,379,140,895,030.90 = 571,665,240,311.31 : x
  2. Step 2: Convert to fraction form
    999,377,460,167.28/1,379,140,895,030.90 = 571,665,240,311.31/x
  3. Step 3: Cross multiply
    999,377,460,167.28x = 1,379,140,895,030.90 × 571,665,240,311.31
  4. Step 4: Simplify right side
    999,377,460,167.28x = 788,406,911,180,994,695,397,376
  5. Step 5: Solve for x
    x = 788,406,911,180,994,695,397,376/999,377,460,167.28
  6. Step 6: Final answer
    x = 788,898,031,629.64

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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.