Home / 1,458,103,303.12-2,011,966,100.83-885,588,429.60

Finding the Fourth Proportional to 1,458,103,303.12, 2,011,966,100.83 and 885,588,429.60

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Solution

The fourth proportional to 1,458,103,303.12, 2,011,966,100.83 and 885,588,429.60 is: 1,221,980,566.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,103,303.12 : 2,011,966,100.83 = 885,588,429.60 : x
  2. Step 2: Convert to fraction form
    1,458,103,303.12/2,011,966,100.83 = 885,588,429.60/x
  3. Step 3: Cross multiply
    1,458,103,303.12x = 2,011,966,100.83 × 885,588,429.60
  4. Step 4: Simplify right side
    1,458,103,303.12x = 1,781,773,899,642,475,008
  5. Step 5: Solve for x
    x = 1,781,773,899,642,475,008/1,458,103,303.12
  6. Step 6: Final answer
    x = 1,221,980,566.01

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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.