Home / 897,077,464.20-1,345,868,138.70-437,030,641.80

Finding the Fourth Proportional to 897,077,464.20, 1,345,868,138.70 and 437,030,641.80

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Solution

The fourth proportional to 897,077,464.20, 1,345,868,138.70 and 437,030,641.80 is: 655,668,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,077,464.20 : 1,345,868,138.70 = 437,030,641.80 : x
  2. Step 2: Convert to fraction form
    897,077,464.20/1,345,868,138.70 = 437,030,641.80/x
  3. Step 3: Cross multiply
    897,077,464.20x = 1,345,868,138.70 × 437,030,641.80
  4. Step 4: Simplify right side
    897,077,464.20x = 588,185,616,434,232,448
  5. Step 5: Solve for x
    x = 588,185,616,434,232,448/897,077,464.20
  6. Step 6: Final answer
    x = 655,668,701.88

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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.