Home / 668,636,124.08-922,802,977.47-404,320,008.86

Finding the Fourth Proportional to 668,636,124.08, 922,802,977.47 and 404,320,008.86

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Solution

The fourth proportional to 668,636,124.08, 922,802,977.47 and 404,320,008.86 is: 558,013,087.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,636,124.08 : 922,802,977.47 = 404,320,008.86 : x
  2. Step 2: Convert to fraction form
    668,636,124.08/922,802,977.47 = 404,320,008.86/x
  3. Step 3: Cross multiply
    668,636,124.08x = 922,802,977.47 × 404,320,008.86
  4. Step 4: Simplify right side
    668,636,124.08x = 373,107,708,029,969,216
  5. Step 5: Solve for x
    x = 373,107,708,029,969,216/668,636,124.08
  6. Step 6: Final answer
    x = 558,013,087.53

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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.