Home / 15,727,157,979.77-21,703,331,334.36-8,590,569,060.53

Finding the Fourth Proportional to 15,727,157,979.77, 21,703,331,334.36 and 8,590,569,060.53

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Solution

The fourth proportional to 15,727,157,979.77, 21,703,331,334.36 and 8,590,569,060.53 is: 11,854,905,184.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727,157,979.77 : 21,703,331,334.36 = 8,590,569,060.53 : x
  2. Step 2: Convert to fraction form
    15,727,157,979.77/21,703,331,334.36 = 8,590,569,060.53/x
  3. Step 3: Cross multiply
    15,727,157,979.77x = 21,703,331,334.36 × 8,590,569,060.53
  4. Step 4: Simplify right side
    15,727,157,979.77x = 186,443,966,671,232,827,392
  5. Step 5: Solve for x
    x = 186,443,966,671,232,827,392/15,727,157,979.77
  6. Step 6: Final answer
    x = 11,854,905,184.47

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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.