Home / 870,473,341.60-1,305,710,012.40-288,297,440.80

Finding the Fourth Proportional to 870,473,341.60, 1,305,710,012.40 and 288,297,440.80

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Solution

The fourth proportional to 870,473,341.60, 1,305,710,012.40 and 288,297,440.80 is: 432,446,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,473,341.60 : 1,305,710,012.40 = 288,297,440.80 : x
  2. Step 2: Convert to fraction form
    870,473,341.60/1,305,710,012.40 = 288,297,440.80/x
  3. Step 3: Cross multiply
    870,473,341.60x = 1,305,710,012.40 × 288,297,440.80
  4. Step 4: Simplify right side
    870,473,341.60x = 376,432,855,001,856,320
  5. Step 5: Solve for x
    x = 376,432,855,001,856,320/870,473,341.60
  6. Step 6: Final answer
    x = 432,446,161.20

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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.