Home / 870,994,720.20-1,306,492,080.30-296,566,048.20

Finding the Fourth Proportional to 870,994,720.20, 1,306,492,080.30 and 296,566,048.20

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Solution

The fourth proportional to 870,994,720.20, 1,306,492,080.30 and 296,566,048.20 is: 444,849,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,994,720.20 : 1,306,492,080.30 = 296,566,048.20 : x
  2. Step 2: Convert to fraction form
    870,994,720.20/1,306,492,080.30 = 296,566,048.20/x
  3. Step 3: Cross multiply
    870,994,720.20x = 1,306,492,080.30 × 296,566,048.20
  4. Step 4: Simplify right side
    870,994,720.20x = 387,461,193,259,168,064
  5. Step 5: Solve for x
    x = 387,461,193,259,168,064/870,994,720.20
  6. Step 6: Final answer
    x = 444,849,072.30

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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.