Home / 1,143,941,908.56-1,578,593,345.58-648,893,988.24

Finding the Fourth Proportional to 1,143,941,908.56, 1,578,593,345.58 and 648,893,988.24

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Solution

The fourth proportional to 1,143,941,908.56, 1,578,593,345.58 and 648,893,988.24 is: 895,447,333.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,941,908.56 : 1,578,593,345.58 = 648,893,988.24 : x
  2. Step 2: Convert to fraction form
    1,143,941,908.56/1,578,593,345.58 = 648,893,988.24/x
  3. Step 3: Cross multiply
    1,143,941,908.56x = 1,578,593,345.58 × 648,893,988.24
  4. Step 4: Simplify right side
    1,143,941,908.56x = 1,024,339,731,822,530,688
  5. Step 5: Solve for x
    x = 1,024,339,731,822,530,688/1,143,941,908.56
  6. Step 6: Final answer
    x = 895,447,333.61

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Double scale
Find fourth proportional to 1,143,941,909.56, 1,578,593,346.96 and 648,893,989.24
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1.5x scale

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.