Home / 708,810,612.74-1,063,211,457.63-381,440,332.34

Finding the Fourth Proportional to 708,810,612.74, 1,063,211,457.63 and 381,440,332.34

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Solution

The fourth proportional to 708,810,612.74, 1,063,211,457.63 and 381,440,332.34 is: 572,158,097.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,810,612.74 : 1,063,211,457.63 = 381,440,332.34 : x
  2. Step 2: Convert to fraction form
    708,810,612.74/1,063,211,457.63 = 381,440,332.34/x
  3. Step 3: Cross multiply
    708,810,612.74x = 1,063,211,457.63 × 381,440,332.34
  4. Step 4: Simplify right side
    708,810,612.74x = 405,551,731,746,083,008
  5. Step 5: Solve for x
    x = 405,551,731,746,083,008/708,810,612.74
  6. Step 6: Final answer
    x = 572,158,097.60

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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.