Home / 1,262,032,742.43-1,893,087,679.34-432,974,755.49

Finding the Fourth Proportional to 1,262,032,742.43, 1,893,087,679.34 and 432,974,755.49

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Solution

The fourth proportional to 1,262,032,742.43, 1,893,087,679.34 and 432,974,755.49 is: 649,475,364.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,032,742.43 : 1,893,087,679.34 = 432,974,755.49 : x
  2. Step 2: Convert to fraction form
    1,262,032,742.43/1,893,087,679.34 = 432,974,755.49/x
  3. Step 3: Cross multiply
    1,262,032,742.43x = 1,893,087,679.34 × 432,974,755.49
  4. Step 4: Simplify right side
    1,262,032,742.43x = 819,659,175,083,368,064
  5. Step 5: Solve for x
    x = 819,659,175,083,368,064/1,262,032,742.43
  6. Step 6: Final answer
    x = 649,475,364.25

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Double scale
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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.