Home / 9,139,109,970.98-12,611,986,596.77-5,070,011,782.19

Finding the Fourth Proportional to 9,139,109,970.98, 12,611,986,596.77 and 5,070,011,782.19

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Solution

The fourth proportional to 9,139,109,970.98, 12,611,986,596.77 and 5,070,011,782.19 is: 6,996,624,490.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139,109,970.98 : 12,611,986,596.77 = 5,070,011,782.19 : x
  2. Step 2: Convert to fraction form
    9,139,109,970.98/12,611,986,596.77 = 5,070,011,782.19/x
  3. Step 3: Cross multiply
    9,139,109,970.98x = 12,611,986,596.77 × 5,070,011,782.19
  4. Step 4: Simplify right side
    9,139,109,970.98x = 63,942,920,642,357,854,208
  5. Step 5: Solve for x
    x = 63,942,920,642,357,854,208/9,139,109,970.98
  6. Step 6: Final answer
    x = 6,996,624,490.28

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Double scale
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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.