Home / 674,032,893.40-1,009,348,728.90-537,983,997.40

Finding the Fourth Proportional to 674,032,893.40, 1,009,348,728.90 and 537,983,997.40

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Solution

The fourth proportional to 674,032,893.40, 1,009,348,728.90 and 537,983,997.40 is: 805,618,641.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,032,893.40 : 1,009,348,728.90 = 537,983,997.40 : x
  2. Step 2: Convert to fraction form
    674,032,893.40/1,009,348,728.90 = 537,983,997.40/x
  3. Step 3: Cross multiply
    674,032,893.40x = 1,009,348,728.90 × 537,983,997.40
  4. Step 4: Simplify right side
    674,032,893.40x = 543,013,463,944,230,848
  5. Step 5: Solve for x
    x = 543,013,463,944,230,848/674,032,893.40
  6. Step 6: Final answer
    x = 805,618,641.55

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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.