Home / 435,488,518.80-653,218,781.40-144,369,075.60

Finding the Fourth Proportional to 435,488,518.80, 653,218,781.40 and 144,369,075.60

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Solution

The fourth proportional to 435,488,518.80, 653,218,781.40 and 144,369,075.60 is: 216,548,973.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,488,518.80 : 653,218,781.40 = 144,369,075.60 : x
  2. Step 2: Convert to fraction form
    435,488,518.80/653,218,781.40 = 144,369,075.60/x
  3. Step 3: Cross multiply
    435,488,518.80x = 653,218,781.40 × 144,369,075.60
  4. Step 4: Simplify right side
    435,488,518.80x = 94,304,591,635,276,464
  5. Step 5: Solve for x
    x = 94,304,591,635,276,464/435,488,518.80
  6. Step 6: Final answer
    x = 216,548,973.31

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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.