Home / 8,700,432,721.71-12,008,037,101.60-5,133,011,793.63

Finding the Fourth Proportional to 8,700,432,721.71, 12,008,037,101.60 and 5,133,011,793.63

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Solution

The fourth proportional to 8,700,432,721.71, 12,008,037,101.60 and 5,133,011,793.63 is: 7,084,405,802.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700,432,721.71 : 12,008,037,101.60 = 5,133,011,793.63 : x
  2. Step 2: Convert to fraction form
    8,700,432,721.71/12,008,037,101.60 = 5,133,011,793.63/x
  3. Step 3: Cross multiply
    8,700,432,721.71x = 12,008,037,101.60 × 5,133,011,793.63
  4. Step 4: Simplify right side
    8,700,432,721.71x = 61,637,396,060,833,734,656
  5. Step 5: Solve for x
    x = 61,637,396,060,833,734,656/8,700,432,721.71
  6. Step 6: Final answer
    x = 7,084,405,802.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.