Home / 873,256,000.80-1,309,884,001.20-436,624,075.20

Finding the Fourth Proportional to 873,256,000.80, 1,309,884,001.20 and 436,624,075.20

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Solution

The fourth proportional to 873,256,000.80, 1,309,884,001.20 and 436,624,075.20 is: 654,936,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,256,000.80 : 1,309,884,001.20 = 436,624,075.20 : x
  2. Step 2: Convert to fraction form
    873,256,000.80/1,309,884,001.20 = 436,624,075.20/x
  3. Step 3: Cross multiply
    873,256,000.80x = 1,309,884,001.20 × 436,624,075.20
  4. Step 4: Simplify right side
    873,256,000.80x = 571,926,890,643,225,664
  5. Step 5: Solve for x
    x = 571,926,890,643,225,664/873,256,000.80
  6. Step 6: Final answer
    x = 654,936,112.80

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1.5x scale

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.