Home / 1,026,079,185.81-1,415,951,341.47-556,170,417.71

Finding the Fourth Proportional to 1,026,079,185.81, 1,415,951,341.47 and 556,170,417.71

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Solution

The fourth proportional to 1,026,079,185.81, 1,415,951,341.47 and 556,170,417.71 is: 767,494,614.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,079,185.81 : 1,415,951,341.47 = 556,170,417.71 : x
  2. Step 2: Convert to fraction form
    1,026,079,185.81/1,415,951,341.47 = 556,170,417.71/x
  3. Step 3: Cross multiply
    1,026,079,185.81x = 1,415,951,341.47 × 556,170,417.71
  4. Step 4: Simplify right side
    1,026,079,185.81x = 787,510,249,035,325,056
  5. Step 5: Solve for x
    x = 787,510,249,035,325,056/1,026,079,185.81
  6. Step 6: Final answer
    x = 767,494,614.38

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Half scale
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Double scale
Find fourth proportional to 1,026,079,186.81, 1,415,951,342.85 and 556,170,418.71
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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.