Home / 15,672,336,572.16-21,627,824,476.32-8,631,806,204.16

Finding the Fourth Proportional to 15,672,336,572.16, 21,627,824,476.32 and 8,631,806,204.16

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Solution

The fourth proportional to 15,672,336,572.16, 21,627,824,476.32 and 8,631,806,204.16 is: 11,911,892,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672,336,572.16 : 21,627,824,476.32 = 8,631,806,204.16 : x
  2. Step 2: Convert to fraction form
    15,672,336,572.16/21,627,824,476.32 = 8,631,806,204.16/x
  3. Step 3: Cross multiply
    15,672,336,572.16x = 21,627,824,476.32 × 8,631,806,204.16
  4. Step 4: Simplify right side
    15,672,336,572.16x = 186,687,189,497,182,486,528
  5. Step 5: Solve for x
    x = 186,687,189,497,182,486,528/15,672,336,572.16
  6. Step 6: Final answer
    x = 11,911,892,565.45

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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.