Home / 1,254,214,500.97-1,730,392,368.03-710,997,168.45

Finding the Fourth Proportional to 1,254,214,500.97, 1,730,392,368.03 and 710,997,168.45

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Solution

The fourth proportional to 1,254,214,500.97, 1,730,392,368.03 and 710,997,168.45 is: 980,935,934.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,214,500.97 : 1,730,392,368.03 = 710,997,168.45 : x
  2. Step 2: Convert to fraction form
    1,254,214,500.97/1,730,392,368.03 = 710,997,168.45/x
  3. Step 3: Cross multiply
    1,254,214,500.97x = 1,730,392,368.03 × 710,997,168.45
  4. Step 4: Simplify right side
    1,254,214,500.97x = 1,230,304,073,967,621,120
  5. Step 5: Solve for x
    x = 1,230,304,073,967,621,120/1,254,214,500.97
  6. Step 6: Final answer
    x = 980,935,934.82

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Double scale
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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.