Home / 1,210,763,938.56-1,670,854,206.24-653,846,940

Finding the Fourth Proportional to 1,210,763,938.56, 1,670,854,206.24 and 653,846,940

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Solution

The fourth proportional to 1,210,763,938.56, 1,670,854,206.24 and 653,846,940 is: 902,308,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,763,938.56 : 1,670,854,206.24 = 653,846,940 : x
  2. Step 2: Convert to fraction form
    1,210,763,938.56/1,670,854,206.24 = 653,846,940/x
  3. Step 3: Cross multiply
    1,210,763,938.56x = 1,670,854,206.24 × 653,846,940
  4. Step 4: Simplify right side
    1,210,763,938.56x = 1,092,482,909,936,152,960
  5. Step 5: Solve for x
    x = 1,092,482,909,936,152,960/1,210,763,938.56
  6. Step 6: Final answer
    x = 902,308,761.55

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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.