Home / 455,513,946.10-683,270,919.15-209,870,106.10

Finding the Fourth Proportional to 455,513,946.10, 683,270,919.15 and 209,870,106.10

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Solution

The fourth proportional to 455,513,946.10, 683,270,919.15 and 209,870,106.10 is: 314,805,159.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,513,946.10 : 683,270,919.15 = 209,870,106.10 : x
  2. Step 2: Convert to fraction form
    455,513,946.10/683,270,919.15 = 209,870,106.10/x
  3. Step 3: Cross multiply
    455,513,946.10x = 683,270,919.15 × 209,870,106.10
  4. Step 4: Simplify right side
    455,513,946.10x = 143,398,140,297,055,008
  5. Step 5: Solve for x
    x = 143,398,140,297,055,008/455,513,946.10
  6. Step 6: Final answer
    x = 314,805,159.15

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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.