Home / 811,963,527.48-1,120,510,775.34-440,685,562.68

Finding the Fourth Proportional to 811,963,527.48, 1,120,510,775.34 and 440,685,562.68

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Solution

The fourth proportional to 811,963,527.48, 1,120,510,775.34 and 440,685,562.68 is: 608,146,677.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,963,527.48 : 1,120,510,775.34 = 440,685,562.68 : x
  2. Step 2: Convert to fraction form
    811,963,527.48/1,120,510,775.34 = 440,685,562.68/x
  3. Step 3: Cross multiply
    811,963,527.48x = 1,120,510,775.34 × 440,685,562.68
  4. Step 4: Simplify right side
    811,963,527.48x = 493,792,921,519,710,912
  5. Step 5: Solve for x
    x = 493,792,921,519,710,912/811,963,527.48
  6. Step 6: Final answer
    x = 608,146,677.54

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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.