Home / 319,200,138,852.30-440,495,904,120.88-180,180,688,838.94

Finding the Fourth Proportional to 319,200,138,852.30, 440,495,904,120.88 and 180,180,688,838.94

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Solution

The fourth proportional to 319,200,138,852.30, 440,495,904,120.88 and 180,180,688,838.94 is: 248,649,188,313.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,200,138,852.30 : 440,495,904,120.88 = 180,180,688,838.94 : x
  2. Step 2: Convert to fraction form
    319,200,138,852.30/440,495,904,120.88 = 180,180,688,838.94/x
  3. Step 3: Cross multiply
    319,200,138,852.30x = 440,495,904,120.88 × 180,180,688,838.94
  4. Step 4: Simplify right side
    319,200,138,852.30x = 79,368,855,435,231,834,931,200
  5. Step 5: Solve for x
    x = 79,368,855,435,231,834,931,200/319,200,138,852.30
  6. Step 6: Final answer
    x = 248,649,188,313.66

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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.