Home / 563,798,743.03-778,032,719.12-316,274,782.87

Finding the Fourth Proportional to 563,798,743.03, 778,032,719.12 and 316,274,782.87

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Solution

The fourth proportional to 563,798,743.03, 778,032,719.12 and 316,274,782.87 is: 436,453,845.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,798,743.03 : 778,032,719.12 = 316,274,782.87 : x
  2. Step 2: Convert to fraction form
    563,798,743.03/778,032,719.12 = 316,274,782.87/x
  3. Step 3: Cross multiply
    563,798,743.03x = 778,032,719.12 × 316,274,782.87
  4. Step 4: Simplify right side
    563,798,743.03x = 246,072,129,307,196,896
  5. Step 5: Solve for x
    x = 246,072,129,307,196,896/563,798,743.03
  6. Step 6: Final answer
    x = 436,453,845.19

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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.