Home / 880,402,406.70-1,317,468,326.85-766,636,416.30

Finding the Fourth Proportional to 880,402,406.70, 1,317,468,326.85 and 766,636,416.30

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Solution

The fourth proportional to 880,402,406.70, 1,317,468,326.85 and 766,636,416.30 is: 1,147,224,483.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,402,406.70 : 1,317,468,326.85 = 766,636,416.30 : x
  2. Step 2: Convert to fraction form
    880,402,406.70/1,317,468,326.85 = 766,636,416.30/x
  3. Step 3: Cross multiply
    880,402,406.70x = 1,317,468,326.85 × 766,636,416.30
  4. Step 4: Simplify right side
    880,402,406.70x = 1,010,019,196,685,040,896
  5. Step 5: Solve for x
    x = 1,010,019,196,685,040,896/880,402,406.70
  6. Step 6: Final answer
    x = 1,147,224,483.94

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1.5x scale

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.