Home / 1,185,849,321.19-1,636,472,218.36-657,247,434.01

Finding the Fourth Proportional to 1,185,849,321.19, 1,636,472,218.36 and 657,247,434.01

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Solution

The fourth proportional to 1,185,849,321.19, 1,636,472,218.36 and 657,247,434.01 is: 907,001,544.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,849,321.19 : 1,636,472,218.36 = 657,247,434.01 : x
  2. Step 2: Convert to fraction form
    1,185,849,321.19/1,636,472,218.36 = 657,247,434.01/x
  3. Step 3: Cross multiply
    1,185,849,321.19x = 1,636,472,218.36 × 657,247,434.01
  4. Step 4: Simplify right side
    1,185,849,321.19x = 1,075,567,166,345,762,304
  5. Step 5: Solve for x
    x = 1,075,567,166,345,762,304/1,185,849,321.19
  6. Step 6: Final answer
    x = 907,001,544.91

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Half scale
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Double scale
Find fourth proportional to 1,185,849,322.19, 1,636,472,219.74 and 657,247,435.01
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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.