Home / 2,160,118,446.94-2,980,947,586.35-1,220,304,010.78

Finding the Fourth Proportional to 2,160,118,446.94, 2,980,947,586.35 and 1,220,304,010.78

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Solution

The fourth proportional to 2,160,118,446.94, 2,980,947,586.35 and 1,220,304,010.78 is: 1,684,010,569.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,118,446.94 : 2,980,947,586.35 = 1,220,304,010.78 : x
  2. Step 2: Convert to fraction form
    2,160,118,446.94/2,980,947,586.35 = 1,220,304,010.78/x
  3. Step 3: Cross multiply
    2,160,118,446.94x = 2,980,947,586.35 × 1,220,304,010.78
  4. Step 4: Simplify right side
    2,160,118,446.94x = 3,637,662,295,547,865,088
  5. Step 5: Solve for x
    x = 3,637,662,295,547,865,088/2,160,118,446.94
  6. Step 6: Final answer
    x = 1,684,010,569.28

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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.