Home / 870,926,492.80-1,306,389,739.20-296,497,820.80

Finding the Fourth Proportional to 870,926,492.80, 1,306,389,739.20 and 296,497,820.80

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Solution

The fourth proportional to 870,926,492.80, 1,306,389,739.20 and 296,497,820.80 is: 444,746,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,926,492.80 : 1,306,389,739.20 = 296,497,820.80 : x
  2. Step 2: Convert to fraction form
    870,926,492.80/1,306,389,739.20 = 296,497,820.80/x
  3. Step 3: Cross multiply
    870,926,492.80x = 1,306,389,739.20 × 296,497,820.80
  4. Step 4: Simplify right side
    870,926,492.80x = 387,341,710,788,280,384
  5. Step 5: Solve for x
    x = 387,341,710,788,280,384/870,926,492.80
  6. Step 6: Final answer
    x = 444,746,731.20

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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.