Home / 31,807,739,145.60-47,711,608,718.40-10,869,814,051.20

Finding the Fourth Proportional to 31,807,739,145.60, 47,711,608,718.40 and 10,869,814,051.20

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Solution

The fourth proportional to 31,807,739,145.60, 47,711,608,718.40 and 10,869,814,051.20 is: 16,304,721,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,807,739,145.60 : 47,711,608,718.40 = 10,869,814,051.20 : x
  2. Step 2: Convert to fraction form
    31,807,739,145.60/47,711,608,718.40 = 10,869,814,051.20/x
  3. Step 3: Cross multiply
    31,807,739,145.60x = 47,711,608,718.40 × 10,869,814,051.20
  4. Step 4: Simplify right side
    31,807,739,145.60x = 518,616,314,852,620,828,672
  5. Step 5: Solve for x
    x = 518,616,314,852,620,828,672/31,807,739,145.60
  6. Step 6: Final answer
    x = 16,304,721,076.80

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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.