Home / 722,490,851.20-997,064,782.18-404,956,965.98

Finding the Fourth Proportional to 722,490,851.20, 997,064,782.18 and 404,956,965.98

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Solution

The fourth proportional to 722,490,851.20, 997,064,782.18 and 404,956,965.98 is: 558,855,975.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,490,851.20 : 997,064,782.18 = 404,956,965.98 : x
  2. Step 2: Convert to fraction form
    722,490,851.20/997,064,782.18 = 404,956,965.98/x
  3. Step 3: Cross multiply
    722,490,851.20x = 997,064,782.18 × 404,956,965.98
  4. Step 4: Simplify right side
    722,490,851.20x = 403,768,329,077,122,368
  5. Step 5: Solve for x
    x = 403,768,329,077,122,368/722,490,851.20
  6. Step 6: Final answer
    x = 558,855,975.00

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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.