Home / 21,099,953,290.40-31,643,210,306.16-6,931,630,277.60

Finding the Fourth Proportional to 21,099,953,290.40, 31,643,210,306.16 and 6,931,630,277.60

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Solution

The fourth proportional to 21,099,953,290.40, 31,643,210,306.16 and 6,931,630,277.60 is: 10,395,237,923.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,099,953,290.40 : 31,643,210,306.16 = 6,931,630,277.60 : x
  2. Step 2: Convert to fraction form
    21,099,953,290.40/31,643,210,306.16 = 6,931,630,277.60/x
  3. Step 3: Cross multiply
    21,099,953,290.40x = 31,643,210,306.16 × 6,931,630,277.60
  4. Step 4: Simplify right side
    21,099,953,290.40x = 219,339,034,638,643,036,160
  5. Step 5: Solve for x
    x = 219,339,034,638,643,036,160/21,099,953,290.40
  6. Step 6: Final answer
    x = 10,395,237,923.98

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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.