Home / 9,906,553,913.20-14,859,830,869.80-9,148,931,623.60

Finding the Fourth Proportional to 9,906,553,913.20, 14,859,830,869.80 and 9,148,931,623.60

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Solution

The fourth proportional to 9,906,553,913.20, 14,859,830,869.80 and 9,148,931,623.60 is: 13,723,397,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,906,553,913.20 : 14,859,830,869.80 = 9,148,931,623.60 : x
  2. Step 2: Convert to fraction form
    9,906,553,913.20/14,859,830,869.80 = 9,148,931,623.60/x
  3. Step 3: Cross multiply
    9,906,553,913.20x = 14,859,830,869.80 × 9,148,931,623.60
  4. Step 4: Simplify right side
    9,906,553,913.20x = 135,951,576,566,060,711,936
  5. Step 5: Solve for x
    x = 135,951,576,566,060,711,936/9,906,553,913.20
  6. Step 6: Final answer
    x = 13,723,397,435.40

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Double scale
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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.