Home / 1,185,849,320.19-1,636,472,216.98-657,247,433.01

Finding the Fourth Proportional to 1,185,849,320.19, 1,636,472,216.98 and 657,247,433.01

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Solution

The fourth proportional to 1,185,849,320.19, 1,636,472,216.98 and 657,247,433.01 is: 907,001,543.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,849,320.19 : 1,636,472,216.98 = 657,247,433.01 : x
  2. Step 2: Convert to fraction form
    1,185,849,320.19/1,636,472,216.98 = 657,247,433.01/x
  3. Step 3: Cross multiply
    1,185,849,320.19x = 1,636,472,216.98 × 657,247,433.01
  4. Step 4: Simplify right side
    1,185,849,320.19x = 1,075,567,163,808,961,536
  5. Step 5: Solve for x
    x = 1,075,567,163,808,961,536/1,185,849,320.19
  6. Step 6: Final answer
    x = 907,001,543.53

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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.