Home / 9,869,730,961.92-13,620,148,112.88-5,353,598,709.96

Finding the Fourth Proportional to 9,869,730,961.92, 13,620,148,112.88 and 5,353,598,709.96

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Solution

The fourth proportional to 9,869,730,961.92, 13,620,148,112.88 and 5,353,598,709.96 is: 7,387,922,492.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869,730,961.92 : 13,620,148,112.88 = 5,353,598,709.96 : x
  2. Step 2: Convert to fraction form
    9,869,730,961.92/13,620,148,112.88 = 5,353,598,709.96/x
  3. Step 3: Cross multiply
    9,869,730,961.92x = 13,620,148,112.88 × 5,353,598,709.96
  4. Step 4: Simplify right side
    9,869,730,961.92x = 72,916,807,366,578,495,488
  5. Step 5: Solve for x
    x = 72,916,807,366,578,495,488/9,869,730,961.92
  6. Step 6: Final answer
    x = 7,387,922,492.31

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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.