Home / 649,994,652.55-896,994,340.67-352,636,885.47

Finding the Fourth Proportional to 649,994,652.55, 896,994,340.67 and 352,636,885.47

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Solution

The fourth proportional to 649,994,652.55, 896,994,340.67 and 352,636,885.47 is: 486,639,835.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,994,652.55 : 896,994,340.67 = 352,636,885.47 : x
  2. Step 2: Convert to fraction form
    649,994,652.55/896,994,340.67 = 352,636,885.47/x
  3. Step 3: Cross multiply
    649,994,652.55x = 896,994,340.67 × 352,636,885.47
  4. Step 4: Simplify right side
    649,994,652.55x = 316,313,290,577,280,192
  5. Step 5: Solve for x
    x = 316,313,290,577,280,192/649,994,652.55
  6. Step 6: Final answer
    x = 486,639,835.17

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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.