Home / 1,319,854,500.40-1,979,781,750.60-707,634,468.40

Finding the Fourth Proportional to 1,319,854,500.40, 1,979,781,750.60 and 707,634,468.40

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Solution

The fourth proportional to 1,319,854,500.40, 1,979,781,750.60 and 707,634,468.40 is: 1,061,451,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,854,500.40 : 1,979,781,750.60 = 707,634,468.40 : x
  2. Step 2: Convert to fraction form
    1,319,854,500.40/1,979,781,750.60 = 707,634,468.40/x
  3. Step 3: Cross multiply
    1,319,854,500.40x = 1,979,781,750.60 × 707,634,468.40
  4. Step 4: Simplify right side
    1,319,854,500.40x = 1,400,961,806,633,852,160
  5. Step 5: Solve for x
    x = 1,400,961,806,633,852,160/1,319,854,500.40
  6. Step 6: Final answer
    x = 1,061,451,702.60

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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.