Home / 1,143,941,154.81-1,578,592,310.00-648,893,234.49

Finding the Fourth Proportional to 1,143,941,154.81, 1,578,592,310.00 and 648,893,234.49

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Solution

The fourth proportional to 1,143,941,154.81, 1,578,592,310.00 and 648,893,234.49 is: 895,446,296.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,941,154.81 : 1,578,592,310.00 = 648,893,234.49 : x
  2. Step 2: Convert to fraction form
    1,143,941,154.81/1,578,592,310.00 = 648,893,234.49/x
  3. Step 3: Cross multiply
    1,143,941,154.81x = 1,578,592,310.00 × 648,893,234.49
  4. Step 4: Simplify right side
    1,143,941,154.81x = 1,024,337,869,973,696,256
  5. Step 5: Solve for x
    x = 1,024,337,869,973,696,256/1,143,941,154.81
  6. Step 6: Final answer
    x = 895,446,296.05

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.