Home / 1,075,139,921.51-1,483,767,661.47-651,771,426.86

Finding the Fourth Proportional to 1,075,139,921.51, 1,483,767,661.47 and 651,771,426.86

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Solution

The fourth proportional to 1,075,139,921.51, 1,483,767,661.47 and 651,771,426.86 is: 899,489,774.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,139,921.51 : 1,483,767,661.47 = 651,771,426.86 : x
  2. Step 2: Convert to fraction form
    1,075,139,921.51/1,483,767,661.47 = 651,771,426.86/x
  3. Step 3: Cross multiply
    1,075,139,921.51x = 1,483,767,661.47 × 651,771,426.86
  4. Step 4: Simplify right side
    1,075,139,921.51x = 967,077,365,846,088,832
  5. Step 5: Solve for x
    x = 967,077,365,846,088,832/1,075,139,921.51
  6. Step 6: Final answer
    x = 899,489,774.77

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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.