Home / 786,734,033.75-1,085,696,434.27-434,312,920.41

Finding the Fourth Proportional to 786,734,033.75, 1,085,696,434.27 and 434,312,920.41

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Solution

The fourth proportional to 786,734,033.75, 1,085,696,434.27 and 434,312,920.41 is: 599,353,744.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,734,033.75 : 1,085,696,434.27 = 434,312,920.41 : x
  2. Step 2: Convert to fraction form
    786,734,033.75/1,085,696,434.27 = 434,312,920.41/x
  3. Step 3: Cross multiply
    786,734,033.75x = 1,085,696,434.27 × 434,312,920.41
  4. Step 4: Simplify right side
    786,734,033.75x = 471,531,989,046,657,472
  5. Step 5: Solve for x
    x = 471,531,989,046,657,472/786,734,033.75
  6. Step 6: Final answer
    x = 599,353,744.49

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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.