Home / 1,185,849,323.32-1,636,472,221.30-657,247,436.14

Finding the Fourth Proportional to 1,185,849,323.32, 1,636,472,221.30 and 657,247,436.14

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Solution

The fourth proportional to 1,185,849,323.32, 1,636,472,221.30 and 657,247,436.14 is: 907,001,547.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,849,323.32 : 1,636,472,221.30 = 657,247,436.14 : x
  2. Step 2: Convert to fraction form
    1,185,849,323.32/1,636,472,221.30 = 657,247,436.14/x
  3. Step 3: Cross multiply
    1,185,849,323.32x = 1,636,472,221.30 × 657,247,436.14
  4. Step 4: Simplify right side
    1,185,849,323.32x = 1,075,567,171,763,755,648
  5. Step 5: Solve for x
    x = 1,075,567,171,763,755,648/1,185,849,323.32
  6. Step 6: Final answer
    x = 907,001,547.85

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Half scale
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Double scale
Find fourth proportional to 1,185,849,324.32, 1,636,472,222.68 and 657,247,437.14
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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.