Home / 719,038,876-992,958,932.16-679,865,752.96

Finding the Fourth Proportional to 719,038,876, 992,958,932.16 and 679,865,752.96

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Solution

The fourth proportional to 719,038,876, 992,958,932.16 and 679,865,752.96 is: 938,862,688.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,038,876 : 992,958,932.16 = 679,865,752.96 : x
  2. Step 2: Convert to fraction form
    719,038,876/992,958,932.16 = 679,865,752.96/x
  3. Step 3: Cross multiply
    719,038,876x = 992,958,932.16 × 679,865,752.96
  4. Step 4: Simplify right side
    719,038,876x = 675,078,772,071,315,968
  5. Step 5: Solve for x
    x = 675,078,772,071,315,968/719,038,876
  6. Step 6: Final answer
    x = 938,862,688.24

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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.