Home / 563,811,098.47-778,064,625.50-316,297,767.13

Finding the Fourth Proportional to 563,811,098.47, 778,064,625.50 and 316,297,767.13

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Solution

The fourth proportional to 563,811,098.47, 778,064,625.50 and 316,297,767.13 is: 436,493,897.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,811,098.47 : 778,064,625.50 = 316,297,767.13 : x
  2. Step 2: Convert to fraction form
    563,811,098.47/778,064,625.50 = 316,297,767.13/x
  3. Step 3: Cross multiply
    563,811,098.47x = 778,064,625.50 × 316,297,767.13
  4. Step 4: Simplify right side
    563,811,098.47x = 246,100,103,724,963,008
  5. Step 5: Solve for x
    x = 246,100,103,724,963,008/563,811,098.47
  6. Step 6: Final answer
    x = 436,493,897.32

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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.