Home / 8,210,889,255.68-11,331,266,208.47-4,642,519,547.76

Finding the Fourth Proportional to 8,210,889,255.68, 11,331,266,208.47 and 4,642,519,547.76

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Solution

The fourth proportional to 8,210,889,255.68, 11,331,266,208.47 and 4,642,519,547.76 is: 6,406,812,129.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210,889,255.68 : 11,331,266,208.47 = 4,642,519,547.76 : x
  2. Step 2: Convert to fraction form
    8,210,889,255.68/11,331,266,208.47 = 4,642,519,547.76/x
  3. Step 3: Cross multiply
    8,210,889,255.68x = 11,331,266,208.47 × 4,642,519,547.76
  4. Step 4: Simplify right side
    8,210,889,255.68x = 52,605,624,873,671,106,560
  5. Step 5: Solve for x
    x = 52,605,624,873,671,106,560/8,210,889,255.68
  6. Step 6: Final answer
    x = 6,406,812,129.07

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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.