Home / 959,393,015.70-1,323,966,586.95-519,359,867.70

Finding the Fourth Proportional to 959,393,015.70, 1,323,966,586.95 and 519,359,867.70

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Solution

The fourth proportional to 959,393,015.70, 1,323,966,586.95 and 519,359,867.70 is: 716,718,904.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,393,015.70 : 1,323,966,586.95 = 519,359,867.70 : x
  2. Step 2: Convert to fraction form
    959,393,015.70/1,323,966,586.95 = 519,359,867.70/x
  3. Step 3: Cross multiply
    959,393,015.70x = 1,323,966,586.95 × 519,359,867.70
  4. Step 4: Simplify right side
    959,393,015.70x = 687,615,111,437,572,608
  5. Step 5: Solve for x
    x = 687,615,111,437,572,608/959,393,015.70
  6. Step 6: Final answer
    x = 716,718,904.75

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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.