Home / 1,411,588,453.65-1,947,981,315.81-776,495,304.87

Finding the Fourth Proportional to 1,411,588,453.65, 1,947,981,315.81 and 776,495,304.87

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Solution

The fourth proportional to 1,411,588,453.65, 1,947,981,315.81 and 776,495,304.87 is: 1,071,557,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,588,453.65 : 1,947,981,315.81 = 776,495,304.87 : x
  2. Step 2: Convert to fraction form
    1,411,588,453.65/1,947,981,315.81 = 776,495,304.87/x
  3. Step 3: Cross multiply
    1,411,588,453.65x = 1,947,981,315.81 × 776,495,304.87
  4. Step 4: Simplify right side
    1,411,588,453.65x = 1,512,598,345,700,949,760
  5. Step 5: Solve for x
    x = 1,512,598,345,700,949,760/1,411,588,453.65
  6. Step 6: Final answer
    x = 1,071,557,607.17

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Double scale
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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.