Home / 1,140,554,264.52-1,573,695,115.95-645,516,958.44

Finding the Fourth Proportional to 1,140,554,264.52, 1,573,695,115.95 and 645,516,958.44

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Solution

The fourth proportional to 1,140,554,264.52, 1,573,695,115.95 and 645,516,958.44 is: 890,660,722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,554,264.52 : 1,573,695,115.95 = 645,516,958.44 : x
  2. Step 2: Convert to fraction form
    1,140,554,264.52/1,573,695,115.95 = 645,516,958.44/x
  3. Step 3: Cross multiply
    1,140,554,264.52x = 1,573,695,115.95 × 645,516,958.44
  4. Step 4: Simplify right side
    1,140,554,264.52x = 1,015,846,884,759,927,296
  5. Step 5: Solve for x
    x = 1,015,846,884,759,927,296/1,140,554,264.52
  6. Step 6: Final answer
    x = 890,660,722.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.