Home / 1,246,875,543.20-1,720,687,126.59-703,830,816.59

Finding the Fourth Proportional to 1,246,875,543.20, 1,720,687,126.59 and 703,830,816.59

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Solution

The fourth proportional to 1,246,875,543.20, 1,720,687,126.59 and 703,830,816.59 is: 971,285,892.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,875,543.20 : 1,720,687,126.59 = 703,830,816.59 : x
  2. Step 2: Convert to fraction form
    1,246,875,543.20/1,720,687,126.59 = 703,830,816.59/x
  3. Step 3: Cross multiply
    1,246,875,543.20x = 1,720,687,126.59 × 703,830,816.59
  4. Step 4: Simplify right side
    1,246,875,543.20x = 1,211,072,625,395,137,024
  5. Step 5: Solve for x
    x = 1,211,072,625,395,137,024/1,246,875,543.20
  6. Step 6: Final answer
    x = 971,285,892.97

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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.