Home / 910,239,091-1,256,133,276.30-492,551,380.60

Finding the Fourth Proportional to 910,239,091, 1,256,133,276.30 and 492,551,380.60

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Solution

The fourth proportional to 910,239,091, 1,256,133,276.30 and 492,551,380.60 is: 679,722,707.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,239,091 : 1,256,133,276.30 = 492,551,380.60 : x
  2. Step 2: Convert to fraction form
    910,239,091/1,256,133,276.30 = 492,551,380.60/x
  3. Step 3: Cross multiply
    910,239,091x = 1,256,133,276.30 × 492,551,380.60
  4. Step 4: Simplify right side
    910,239,091x = 618,710,179,459,166,208
  5. Step 5: Solve for x
    x = 618,710,179,459,166,208/910,239,091
  6. Step 6: Final answer
    x = 679,722,707.56

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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.