Home / 919,368,926,545.65-1,268,767,662,886.10-528,735,795,304.70

Finding the Fourth Proportional to 919,368,926,545.65, 1,268,767,662,886.10 and 528,735,795,304.70

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Solution

The fourth proportional to 919,368,926,545.65, 1,268,767,662,886.10 and 528,735,795,304.70 is: 729,677,564,602.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,368,926,545.65 : 1,268,767,662,886.10 = 528,735,795,304.70 : x
  2. Step 2: Convert to fraction form
    919,368,926,545.65/1,268,767,662,886.10 = 528,735,795,304.70/x
  3. Step 3: Cross multiply
    919,368,926,545.65x = 1,268,767,662,886.10 × 528,735,795,304.70
  4. Step 4: Simplify right side
    919,368,926,545.65x = 670,842,879,292,967,718,223,872
  5. Step 5: Solve for x
    x = 670,842,879,292,967,718,223,872/919,368,926,545.65
  6. Step 6: Final answer
    x = 729,677,564,602.42

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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.