Home / 7,217,611,931.61-9,962,380,326.51-4,359,300,128.37

Finding the Fourth Proportional to 7,217,611,931.61, 9,962,380,326.51 and 4,359,300,128.37

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Solution

The fourth proportional to 7,217,611,931.61, 9,962,380,326.51 and 4,359,300,128.37 is: 6,017,087,957.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217,611,931.61 : 9,962,380,326.51 = 4,359,300,128.37 : x
  2. Step 2: Convert to fraction form
    7,217,611,931.61/9,962,380,326.51 = 4,359,300,128.37/x
  3. Step 3: Cross multiply
    7,217,611,931.61x = 9,962,380,326.51 × 4,359,300,128.37
  4. Step 4: Simplify right side
    7,217,611,931.61x = 43,429,005,836,225,806,336
  5. Step 5: Solve for x
    x = 43,429,005,836,225,806,336/7,217,611,931.61
  6. Step 6: Final answer
    x = 6,017,087,957.59

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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.