Home / 828,803,376.86-1,143,742,841.67-452,459,964.56

Finding the Fourth Proportional to 828,803,376.86, 1,143,742,841.67 and 452,459,964.56

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Solution

The fourth proportional to 828,803,376.86, 1,143,742,841.67 and 452,459,964.56 is: 624,391,574.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,803,376.86 : 1,143,742,841.67 = 452,459,964.56 : x
  2. Step 2: Convert to fraction form
    828,803,376.86/1,143,742,841.67 = 452,459,964.56/x
  3. Step 3: Cross multiply
    828,803,376.86x = 1,143,742,841.67 × 452,459,964.56
  4. Step 4: Simplify right side
    828,803,376.86x = 517,497,845,609,761,600
  5. Step 5: Solve for x
    x = 517,497,845,609,761,600/828,803,376.86
  6. Step 6: Final answer
    x = 624,391,574.72

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1.5x scale

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.