Home / 6,929,090,642.40-10,393,635,963.60-6,520,943,954.40

Finding the Fourth Proportional to 6,929,090,642.40, 10,393,635,963.60 and 6,520,943,954.40

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Solution

The fourth proportional to 6,929,090,642.40, 10,393,635,963.60 and 6,520,943,954.40 is: 9,781,415,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929,090,642.40 : 10,393,635,963.60 = 6,520,943,954.40 : x
  2. Step 2: Convert to fraction form
    6,929,090,642.40/10,393,635,963.60 = 6,520,943,954.40/x
  3. Step 3: Cross multiply
    6,929,090,642.40x = 10,393,635,963.60 × 6,520,943,954.40
  4. Step 4: Simplify right side
    6,929,090,642.40x = 67,776,317,601,071,833,088
  5. Step 5: Solve for x
    x = 67,776,317,601,071,833,088/6,929,090,642.40
  6. Step 6: Final answer
    x = 9,781,415,931.60

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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.