Home / 1,229,854,706.30-1,697,402,439-753,809,877.50

Finding the Fourth Proportional to 1,229,854,706.30, 1,697,402,439 and 753,809,877.50

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Solution

The fourth proportional to 1,229,854,706.30, 1,697,402,439 and 753,809,877.50 is: 1,040,382,020.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,854,706.30 : 1,697,402,439 = 753,809,877.50 : x
  2. Step 2: Convert to fraction form
    1,229,854,706.30/1,697,402,439 = 753,809,877.50/x
  3. Step 3: Cross multiply
    1,229,854,706.30x = 1,697,402,439 × 753,809,877.50
  4. Step 4: Simplify right side
    1,229,854,706.30x = 1,279,518,724,602,304,256
  5. Step 5: Solve for x
    x = 1,279,518,724,602,304,256/1,229,854,706.30
  6. Step 6: Final answer
    x = 1,040,382,020.77

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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.