Home / 940,619,861.30-1,298,060,455.77-517,260,822.30

Finding the Fourth Proportional to 940,619,861.30, 1,298,060,455.77 and 517,260,822.30

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Solution

The fourth proportional to 940,619,861.30, 1,298,060,455.77 and 517,260,822.30 is: 713,822,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,619,861.30 : 1,298,060,455.77 = 517,260,822.30 : x
  2. Step 2: Convert to fraction form
    940,619,861.30/1,298,060,455.77 = 517,260,822.30/x
  3. Step 3: Cross multiply
    940,619,861.30x = 1,298,060,455.77 × 517,260,822.30
  4. Step 4: Simplify right side
    940,619,861.30x = 671,435,818,746,702,976
  5. Step 5: Solve for x
    x = 671,435,818,746,702,976/940,619,861.30
  6. Step 6: Final answer
    x = 713,822,710.29

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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.