Home / 1,570,569,916.38-2,167,385,955.94-865,733,668.40

Finding the Fourth Proportional to 1,570,569,916.38, 2,167,385,955.94 and 865,733,668.40

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Solution

The fourth proportional to 1,570,569,916.38, 2,167,385,955.94 and 865,733,668.40 is: 1,194,712,170.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,569,916.38 : 2,167,385,955.94 = 865,733,668.40 : x
  2. Step 2: Convert to fraction form
    1,570,569,916.38/2,167,385,955.94 = 865,733,668.40/x
  3. Step 3: Cross multiply
    1,570,569,916.38x = 2,167,385,955.94 × 865,733,668.40
  4. Step 4: Simplify right side
    1,570,569,916.38x = 1,876,378,994,474,576,896
  5. Step 5: Solve for x
    x = 1,876,378,994,474,576,896/1,570,569,916.38
  6. Step 6: Final answer
    x = 1,194,712,170.98

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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.