Home / 1,126,327,943.40-1,554,335,909.86-624,572,075.08

Finding the Fourth Proportional to 1,126,327,943.40, 1,554,335,909.86 and 624,572,075.08

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Solution

The fourth proportional to 1,126,327,943.40, 1,554,335,909.86 and 624,572,075.08 is: 861,911,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,327,943.40 : 1,554,335,909.86 = 624,572,075.08 : x
  2. Step 2: Convert to fraction form
    1,126,327,943.40/1,554,335,909.86 = 624,572,075.08/x
  3. Step 3: Cross multiply
    1,126,327,943.40x = 1,554,335,909.86 × 624,572,075.08
  4. Step 4: Simplify right side
    1,126,327,943.40x = 970,794,804,592,620,032
  5. Step 5: Solve for x
    x = 970,794,804,592,620,032/1,126,327,943.40
  6. Step 6: Final answer
    x = 861,911,320.13

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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.