Home / 438,544,216,873.85-657,352,051,065.81-147,511,759,444.67

Finding the Fourth Proportional to 438,544,216,873.85, 657,352,051,065.81 and 147,511,759,444.67

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Solution

The fourth proportional to 438,544,216,873.85, 657,352,051,065.81 and 147,511,759,444.67 is: 221,111,472,677.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,544,216,873.85 : 657,352,051,065.81 = 147,511,759,444.67 : x
  2. Step 2: Convert to fraction form
    438,544,216,873.85/657,352,051,065.81 = 147,511,759,444.67/x
  3. Step 3: Cross multiply
    438,544,216,873.85x = 657,352,051,065.81 × 147,511,759,444.67
  4. Step 4: Simplify right side
    438,544,216,873.85x = 96,967,157,627,280,217,341,952
  5. Step 5: Solve for x
    x = 96,967,157,627,280,217,341,952/438,544,216,873.85
  6. Step 6: Final answer
    x = 221,111,472,677.73

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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.