Home / 422,962,475-634,300,030.86-146,549,177.96

Finding the Fourth Proportional to 422,962,475, 634,300,030.86 and 146,549,177.96

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Solution

The fourth proportional to 422,962,475, 634,300,030.86 and 146,549,177.96 is: 219,773,983.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,962,475 : 634,300,030.86 = 146,549,177.96 : x
  2. Step 2: Convert to fraction form
    422,962,475/634,300,030.86 = 146,549,177.96/x
  3. Step 3: Cross multiply
    422,962,475x = 634,300,030.86 × 146,549,177.96
  4. Step 4: Simplify right side
    422,962,475x = 92,956,148,102,535,632
  5. Step 5: Solve for x
    x = 92,956,148,102,535,632/422,962,475
  6. Step 6: Final answer
    x = 219,773,983.74

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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.