Home / 1,185,849,322.82-1,636,472,220.60-657,247,435.65

Finding the Fourth Proportional to 1,185,849,322.82, 1,636,472,220.60 and 657,247,435.65

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Solution

The fourth proportional to 1,185,849,322.82, 1,636,472,220.60 and 657,247,435.65 is: 907,001,547.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,849,322.82 : 1,636,472,220.60 = 657,247,435.65 : x
  2. Step 2: Convert to fraction form
    1,185,849,322.82/1,636,472,220.60 = 657,247,435.65/x
  3. Step 3: Cross multiply
    1,185,849,322.82x = 1,636,472,220.60 × 657,247,435.65
  4. Step 4: Simplify right side
    1,185,849,322.82x = 1,075,567,170,501,810,944
  5. Step 5: Solve for x
    x = 1,075,567,170,501,810,944/1,185,849,322.82
  6. Step 6: Final answer
    x = 907,001,547.17

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Double scale
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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.