Home / 1,329,696,117.60-1,994,544,176.40-785,500,533.60

Finding the Fourth Proportional to 1,329,696,117.60, 1,994,544,176.40 and 785,500,533.60

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Solution

The fourth proportional to 1,329,696,117.60, 1,994,544,176.40 and 785,500,533.60 is: 1,178,250,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,696,117.60 : 1,994,544,176.40 = 785,500,533.60 : x
  2. Step 2: Convert to fraction form
    1,329,696,117.60/1,994,544,176.40 = 785,500,533.60/x
  3. Step 3: Cross multiply
    1,329,696,117.60x = 1,994,544,176.40 × 785,500,533.60
  4. Step 4: Simplify right side
    1,329,696,117.60x = 1,566,715,514,850,972,672
  5. Step 5: Solve for x
    x = 1,566,715,514,850,972,672/1,329,696,117.60
  6. Step 6: Final answer
    x = 1,178,250,800.40

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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.