Home / 561,070,871.04-774,210,744.96-310,141,366.08

Finding the Fourth Proportional to 561,070,871.04, 774,210,744.96 and 310,141,366.08

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Solution

The fourth proportional to 561,070,871.04, 774,210,744.96 and 310,141,366.08 is: 427,958,018.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,070,871.04 : 774,210,744.96 = 310,141,366.08 : x
  2. Step 2: Convert to fraction form
    561,070,871.04/774,210,744.96 = 310,141,366.08/x
  3. Step 3: Cross multiply
    561,070,871.04x = 774,210,744.96 × 310,141,366.08
  4. Step 4: Simplify right side
    561,070,871.04x = 240,114,778,075,708,864
  5. Step 5: Solve for x
    x = 240,114,778,075,708,864/561,070,871.04
  6. Step 6: Final answer
    x = 427,958,018.26

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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.