Home / 1,176,609,344.40-1,761,087,641.40-916,415,830.80

Finding the Fourth Proportional to 1,176,609,344.40, 1,761,087,641.40 and 916,415,830.80

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Solution

The fourth proportional to 1,176,609,344.40, 1,761,087,641.40 and 916,415,830.80 is: 1,371,643,529.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,609,344.40 : 1,761,087,641.40 = 916,415,830.80 : x
  2. Step 2: Convert to fraction form
    1,176,609,344.40/1,761,087,641.40 = 916,415,830.80/x
  3. Step 3: Cross multiply
    1,176,609,344.40x = 1,761,087,641.40 × 916,415,830.80
  4. Step 4: Simplify right side
    1,176,609,344.40x = 1,613,888,594,005,193,472
  5. Step 5: Solve for x
    x = 1,613,888,594,005,193,472/1,176,609,344.40
  6. Step 6: Final answer
    x = 1,371,643,529.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.