Home / 25,385,724,830.28-38,078,749,510.86-7,458,030,031.21

Finding the Fourth Proportional to 25,385,724,830.28, 38,078,749,510.86 and 7,458,030,031.21

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Solution

The fourth proportional to 25,385,724,830.28, 38,078,749,510.86 and 7,458,030,031.21 is: 11,187,092,718.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,385,724,830.28 : 38,078,749,510.86 = 7,458,030,031.21 : x
  2. Step 2: Convert to fraction form
    25,385,724,830.28/38,078,749,510.86 = 7,458,030,031.21/x
  3. Step 3: Cross multiply
    25,385,724,830.28x = 38,078,749,510.86 × 7,458,030,031.21
  4. Step 4: Simplify right side
    25,385,724,830.28x = 283,992,457,402,916,995,072
  5. Step 5: Solve for x
    x = 283,992,457,402,916,995,072/25,385,724,830.28
  6. Step 6: Final answer
    x = 11,187,092,718.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.