Home / 1,140,593,014-1,573,748,468.94-645,555,737.08

Finding the Fourth Proportional to 1,140,593,014, 1,573,748,468.94 and 645,555,737.08

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Solution

The fourth proportional to 1,140,593,014, 1,573,748,468.94 and 645,555,737.08 is: 890,714,163.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,593,014 : 1,573,748,468.94 = 645,555,737.08 : x
  2. Step 2: Convert to fraction form
    1,140,593,014/1,573,748,468.94 = 645,555,737.08/x
  3. Step 3: Cross multiply
    1,140,593,014x = 1,573,748,468.94 × 645,555,737.08
  4. Step 4: Simplify right side
    1,140,593,014x = 1,015,942,352,845,083,264
  5. Step 5: Solve for x
    x = 1,015,942,352,845,083,264/1,140,593,014
  6. Step 6: Final answer
    x = 890,714,163.93

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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.