Home / 531,962,021.40-797,943,032.10-509,287,205.40

Finding the Fourth Proportional to 531,962,021.40, 797,943,032.10 and 509,287,205.40

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Solution

The fourth proportional to 531,962,021.40, 797,943,032.10 and 509,287,205.40 is: 763,930,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,962,021.40 : 797,943,032.10 = 509,287,205.40 : x
  2. Step 2: Convert to fraction form
    531,962,021.40/797,943,032.10 = 509,287,205.40/x
  3. Step 3: Cross multiply
    531,962,021.40x = 797,943,032.10 × 509,287,205.40
  4. Step 4: Simplify right side
    531,962,021.40x = 406,382,176,886,611,456
  5. Step 5: Solve for x
    x = 406,382,176,886,611,456/531,962,021.40
  6. Step 6: Final answer
    x = 763,930,808.10

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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.