Home / 756,833,792.76-1,044,274,643.82-434,899,560.42

Finding the Fourth Proportional to 756,833,792.76, 1,044,274,643.82 and 434,899,560.42

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Solution

The fourth proportional to 756,833,792.76, 1,044,274,643.82 and 434,899,560.42 is: 600,071,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,833,792.76 : 1,044,274,643.82 = 434,899,560.42 : x
  2. Step 2: Convert to fraction form
    756,833,792.76/1,044,274,643.82 = 434,899,560.42/x
  3. Step 3: Cross multiply
    756,833,792.76x = 1,044,274,643.82 × 434,899,560.42
  4. Step 4: Simplify right side
    756,833,792.76x = 454,154,583,555,070,080
  5. Step 5: Solve for x
    x = 454,154,583,555,070,080/756,833,792.76
  6. Step 6: Final answer
    x = 600,071,756.70

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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.