Home / 1,538,445,573.60-2,307,668,360.40-1,385,264,594.40

Finding the Fourth Proportional to 1,538,445,573.60, 2,307,668,360.40 and 1,385,264,594.40

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Solution

The fourth proportional to 1,538,445,573.60, 2,307,668,360.40 and 1,385,264,594.40 is: 2,077,896,891.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,445,573.60 : 2,307,668,360.40 = 1,385,264,594.40 : x
  2. Step 2: Convert to fraction form
    1,538,445,573.60/2,307,668,360.40 = 1,385,264,594.40/x
  3. Step 3: Cross multiply
    1,538,445,573.60x = 2,307,668,360.40 × 1,385,264,594.40
  4. Step 4: Simplify right side
    1,538,445,573.60x = 3,196,731,275,279,219,200
  5. Step 5: Solve for x
    x = 3,196,731,275,279,219,200/1,538,445,573.60
  6. Step 6: Final answer
    x = 2,077,896,891.60

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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.