Home / 897,385,279.80-1,346,077,919.70-842,965,721.40

Finding the Fourth Proportional to 897,385,279.80, 1,346,077,919.70 and 842,965,721.40

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Solution

The fourth proportional to 897,385,279.80, 1,346,077,919.70 and 842,965,721.40 is: 1,264,448,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,385,279.80 : 1,346,077,919.70 = 842,965,721.40 : x
  2. Step 2: Convert to fraction form
    897,385,279.80/1,346,077,919.70 = 842,965,721.40/x
  3. Step 3: Cross multiply
    897,385,279.80x = 1,346,077,919.70 × 842,965,721.40
  4. Step 4: Simplify right side
    897,385,279.80x = 1,134,697,544,640,521,728
  5. Step 5: Solve for x
    x = 1,134,697,544,640,521,728/897,385,279.80
  6. Step 6: Final answer
    x = 1,264,448,582.10

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1.5x scale

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.