Home / 919,368,926,545.15-1,268,767,662,885.40-528,735,795,304.20

Finding the Fourth Proportional to 919,368,926,545.15, 1,268,767,662,885.40 and 528,735,795,304.20

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Solution

The fourth proportional to 919,368,926,545.15, 1,268,767,662,885.40 and 528,735,795,304.20 is: 729,677,564,601.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,368,926,545.15 : 1,268,767,662,885.40 = 528,735,795,304.20 : x
  2. Step 2: Convert to fraction form
    919,368,926,545.15/1,268,767,662,885.40 = 528,735,795,304.20/x
  3. Step 3: Cross multiply
    919,368,926,545.15x = 1,268,767,662,885.40 × 528,735,795,304.20
  4. Step 4: Simplify right side
    919,368,926,545.15x = 670,842,879,291,963,098,529,792
  5. Step 5: Solve for x
    x = 670,842,879,291,963,098,529,792/919,368,926,545.15
  6. Step 6: Final answer
    x = 729,677,564,601.72

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Double scale
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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.