Home / 10,530,868,461.50-14,532,785,724.57-5,708,391,391.28

Finding the Fourth Proportional to 10,530,868,461.50, 14,532,785,724.57 and 5,708,391,391.28

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Solution

The fourth proportional to 10,530,868,461.50, 14,532,785,724.57 and 5,708,391,391.28 is: 7,877,681,619.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530,868,461.50 : 14,532,785,724.57 = 5,708,391,391.28 : x
  2. Step 2: Convert to fraction form
    10,530,868,461.50/14,532,785,724.57 = 5,708,391,391.28/x
  3. Step 3: Cross multiply
    10,530,868,461.50x = 14,532,785,724.57 × 5,708,391,391.28
  4. Step 4: Simplify right side
    10,530,868,461.50x = 82,958,828,921,452,265,472
  5. Step 5: Solve for x
    x = 82,958,828,921,452,265,472/10,530,868,461.50
  6. Step 6: Final answer
    x = 7,877,681,619.97

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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.