Home / 674,032,986.90-1,009,348,869.15-537,984,090.90

Finding the Fourth Proportional to 674,032,986.90, 1,009,348,869.15 and 537,984,090.90

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Solution

The fourth proportional to 674,032,986.90, 1,009,348,869.15 and 537,984,090.90 is: 805,618,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,032,986.90 : 1,009,348,869.15 = 537,984,090.90 : x
  2. Step 2: Convert to fraction form
    674,032,986.90/1,009,348,869.15 = 537,984,090.90/x
  3. Step 3: Cross multiply
    674,032,986.90x = 1,009,348,869.15 × 537,984,090.90
  4. Step 4: Simplify right side
    674,032,986.90x = 543,013,633,770,605,760
  5. Step 5: Solve for x
    x = 543,013,633,770,605,760/674,032,986.90
  6. Step 6: Final answer
    x = 805,618,781.76

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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.