Home / 711,838,430.40-1,067,757,645.60-558,956,049.60

Finding the Fourth Proportional to 711,838,430.40, 1,067,757,645.60 and 558,956,049.60

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Solution

The fourth proportional to 711,838,430.40, 1,067,757,645.60 and 558,956,049.60 is: 838,434,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,838,430.40 : 1,067,757,645.60 = 558,956,049.60 : x
  2. Step 2: Convert to fraction form
    711,838,430.40/1,067,757,645.60 = 558,956,049.60/x
  3. Step 3: Cross multiply
    711,838,430.40x = 1,067,757,645.60 × 558,956,049.60
  4. Step 4: Simplify right side
    711,838,430.40x = 596,829,595,514,772,864
  5. Step 5: Solve for x
    x = 596,829,595,514,772,864/711,838,430.40
  6. Step 6: Final answer
    x = 838,434,074.40

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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.