Home / 945,096,922.47-1,304,233,989.38-521,710,829.67

Finding the Fourth Proportional to 945,096,922.47, 1,304,233,989.38 and 521,710,829.67

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Solution

The fourth proportional to 945,096,922.47, 1,304,233,989.38 and 521,710,829.67 is: 719,961,075.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,096,922.47 : 1,304,233,989.38 = 521,710,829.67 : x
  2. Step 2: Convert to fraction form
    945,096,922.47/1,304,233,989.38 = 521,710,829.67/x
  3. Step 3: Cross multiply
    945,096,922.47x = 1,304,233,989.38 × 521,710,829.67
  4. Step 4: Simplify right side
    945,096,922.47x = 680,432,996,680,645,248
  5. Step 5: Solve for x
    x = 680,432,996,680,645,248/945,096,922.47
  6. Step 6: Final answer
    x = 719,961,075.42

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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.