Home / 130,891,289,423.03-180,629,897,816.78-70,744,258,505.78

Finding the Fourth Proportional to 130,891,289,423.03, 180,629,897,816.78 and 70,744,258,505.78

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Solution

The fourth proportional to 130,891,289,423.03, 180,629,897,816.78 and 70,744,258,505.78 is: 97,627,032,641.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,891,289,423.03 : 180,629,897,816.78 = 70,744,258,505.78 : x
  2. Step 2: Convert to fraction form
    130,891,289,423.03/180,629,897,816.78 = 70,744,258,505.78/x
  3. Step 3: Cross multiply
    130,891,289,423.03x = 180,629,897,816.78 × 70,744,258,505.78
  4. Step 4: Simplify right side
    130,891,289,423.03x = 12,778,528,185,023,270,486,016
  5. Step 5: Solve for x
    x = 12,778,528,185,023,270,486,016/130,891,289,423.03
  6. Step 6: Final answer
    x = 97,627,032,641.75

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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.