Home / 896,854,378.20-1,345,281,567.30-664,402,084.80

Finding the Fourth Proportional to 896,854,378.20, 1,345,281,567.30 and 664,402,084.80

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Solution

The fourth proportional to 896,854,378.20, 1,345,281,567.30 and 664,402,084.80 is: 996,603,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,854,378.20 : 1,345,281,567.30 = 664,402,084.80 : x
  2. Step 2: Convert to fraction form
    896,854,378.20/1,345,281,567.30 = 664,402,084.80/x
  3. Step 3: Cross multiply
    896,854,378.20x = 1,345,281,567.30 × 664,402,084.80
  4. Step 4: Simplify right side
    896,854,378.20x = 893,807,877,957,131,392
  5. Step 5: Solve for x
    x = 893,807,877,957,131,392/896,854,378.20
  6. Step 6: Final answer
    x = 996,603,127.20

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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.