Home / 757,559,714.16-1,045,134,953.28-439,965,896.16

Finding the Fourth Proportional to 757,559,714.16, 1,045,134,953.28 and 439,965,896.16

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Solution

The fourth proportional to 757,559,714.16, 1,045,134,953.28 and 439,965,896.16 is: 606,980,186.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,559,714.16 : 1,045,134,953.28 = 439,965,896.16 : x
  2. Step 2: Convert to fraction form
    757,559,714.16/1,045,134,953.28 = 439,965,896.16/x
  3. Step 3: Cross multiply
    757,559,714.16x = 1,045,134,953.28 × 439,965,896.16
  4. Step 4: Simplify right side
    757,559,714.16x = 459,823,736,327,974,976
  5. Step 5: Solve for x
    x = 459,823,736,327,974,976/757,559,714.16
  6. Step 6: Final answer
    x = 606,980,186.16

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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.