Home / 528,311,036.40-792,466,554.60-331,890,442.80

Finding the Fourth Proportional to 528,311,036.40, 792,466,554.60 and 331,890,442.80

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Solution

The fourth proportional to 528,311,036.40, 792,466,554.60 and 331,890,442.80 is: 497,835,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,311,036.40 : 792,466,554.60 = 331,890,442.80 : x
  2. Step 2: Convert to fraction form
    528,311,036.40/792,466,554.60 = 331,890,442.80/x
  3. Step 3: Cross multiply
    528,311,036.40x = 792,466,554.60 × 331,890,442.80
  4. Step 4: Simplify right side
    528,311,036.40x = 263,012,075,710,384,384
  5. Step 5: Solve for x
    x = 263,012,075,710,384,384/528,311,036.40
  6. Step 6: Final answer
    x = 497,835,664.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.