Home / 31,572,307,304.16-47,354,774,518.80-12,684,830,390.88

Finding the Fourth Proportional to 31,572,307,304.16, 47,354,774,518.80 and 12,684,830,390.88

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Solution

The fourth proportional to 31,572,307,304.16, 47,354,774,518.80 and 12,684,830,390.88 is: 19,025,764,483.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,572,307,304.16 : 47,354,774,518.80 = 12,684,830,390.88 : x
  2. Step 2: Convert to fraction form
    31,572,307,304.16/47,354,774,518.80 = 12,684,830,390.88/x
  3. Step 3: Cross multiply
    31,572,307,304.16x = 47,354,774,518.80 × 12,684,830,390.88
  4. Step 4: Simplify right side
    31,572,307,304.16x = 600,687,282,969,344,081,920
  5. Step 5: Solve for x
    x = 600,687,282,969,344,081,920/31,572,307,304.16
  6. Step 6: Final answer
    x = 19,025,764,483.49

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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.