Home / 423,075,206.40-634,612,809.60-350,374,077.60

Finding the Fourth Proportional to 423,075,206.40, 634,612,809.60 and 350,374,077.60

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Solution

The fourth proportional to 423,075,206.40, 634,612,809.60 and 350,374,077.60 is: 525,561,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,075,206.40 : 634,612,809.60 = 350,374,077.60 : x
  2. Step 2: Convert to fraction form
    423,075,206.40/634,612,809.60 = 350,374,077.60/x
  3. Step 3: Cross multiply
    423,075,206.40x = 634,612,809.60 × 350,374,077.60
  4. Step 4: Simplify right side
    423,075,206.40x = 222,351,877,796,744,448
  5. Step 5: Solve for x
    x = 222,351,877,796,744,448/423,075,206.40
  6. Step 6: Final answer
    x = 525,561,116.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.