Home / 945,136,211.58-1,304,308,850.85-521,748,870.03

Finding the Fourth Proportional to 945,136,211.58, 1,304,308,850.85 and 521,748,870.03

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Solution

The fourth proportional to 945,136,211.58, 1,304,308,850.85 and 521,748,870.03 is: 720,024,966.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,136,211.58 : 1,304,308,850.85 = 521,748,870.03 : x
  2. Step 2: Convert to fraction form
    945,136,211.58/1,304,308,850.85 = 521,748,870.03/x
  3. Step 3: Cross multiply
    945,136,211.58x = 1,304,308,850.85 × 521,748,870.03
  4. Step 4: Simplify right side
    945,136,211.58x = 680,521,669,101,115,264
  5. Step 5: Solve for x
    x = 680,521,669,101,115,264/945,136,211.58
  6. Step 6: Final answer
    x = 720,024,966.52

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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.