Home / 1,319,889,733.60-1,979,834,600.40-594,295,621.60

Finding the Fourth Proportional to 1,319,889,733.60, 1,979,834,600.40 and 594,295,621.60

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Solution

The fourth proportional to 1,319,889,733.60, 1,979,834,600.40 and 594,295,621.60 is: 891,443,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,889,733.60 : 1,979,834,600.40 = 594,295,621.60 : x
  2. Step 2: Convert to fraction form
    1,319,889,733.60/1,979,834,600.40 = 594,295,621.60/x
  3. Step 3: Cross multiply
    1,319,889,733.60x = 1,979,834,600.40 × 594,295,621.60
  4. Step 4: Simplify right side
    1,319,889,733.60x = 1,176,607,034,509,905,664
  5. Step 5: Solve for x
    x = 1,176,607,034,509,905,664/1,319,889,733.60
  6. Step 6: Final answer
    x = 891,443,432.40

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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.