Home / 31,482,573,656.80-47,223,860,485.20-8,218,212,440.80

Finding the Fourth Proportional to 31,482,573,656.80, 47,223,860,485.20 and 8,218,212,440.80

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Solution

The fourth proportional to 31,482,573,656.80, 47,223,860,485.20 and 8,218,212,440.80 is: 12,327,318,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,482,573,656.80 : 47,223,860,485.20 = 8,218,212,440.80 : x
  2. Step 2: Convert to fraction form
    31,482,573,656.80/47,223,860,485.20 = 8,218,212,440.80/x
  3. Step 3: Cross multiply
    31,482,573,656.80x = 47,223,860,485.20 × 8,218,212,440.80
  4. Step 4: Simplify right side
    31,482,573,656.80x = 388,095,717,742,074,134,528
  5. Step 5: Solve for x
    x = 388,095,717,742,074,134,528/31,482,573,656.80
  6. Step 6: Final answer
    x = 12,327,318,661.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.