Home / 840,252,853.04-1,159,550,542.14-463,910,169.20

Finding the Fourth Proportional to 840,252,853.04, 1,159,550,542.14 and 463,910,169.20

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Solution

The fourth proportional to 840,252,853.04, 1,159,550,542.14 and 463,910,169.20 is: 640,196,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,252,853.04 : 1,159,550,542.14 = 463,910,169.20 : x
  2. Step 2: Convert to fraction form
    840,252,853.04/1,159,550,542.14 = 463,910,169.20/x
  3. Step 3: Cross multiply
    840,252,853.04x = 1,159,550,542.14 × 463,910,169.20
  4. Step 4: Simplify right side
    840,252,853.04x = 537,927,288,200,119,168
  5. Step 5: Solve for x
    x = 537,927,288,200,119,168/840,252,853.04
  6. Step 6: Final answer
    x = 640,196,919.60

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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.