Home / 705,298,325.67-973,312,312.19-387,763,974.50

Finding the Fourth Proportional to 705,298,325.67, 973,312,312.19 and 387,763,974.50

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Solution

The fourth proportional to 705,298,325.67, 973,312,312.19 and 387,763,974.50 is: 535,114,627.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,298,325.67 : 973,312,312.19 = 387,763,974.50 : x
  2. Step 2: Convert to fraction form
    705,298,325.67/973,312,312.19 = 387,763,974.50/x
  3. Step 3: Cross multiply
    705,298,325.67x = 973,312,312.19 × 387,763,974.50
  4. Step 4: Simplify right side
    705,298,325.67x = 377,415,450,597,773,824
  5. Step 5: Solve for x
    x = 377,415,450,597,773,824/705,298,325.67
  6. Step 6: Final answer
    x = 535,114,627.19

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1.5x scale

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.