Home / 1,461,180,970.80-2,192,136,903.99-426,041,851.77

Finding the Fourth Proportional to 1,461,180,970.80, 2,192,136,903.99 and 426,041,851.77

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Solution

The fourth proportional to 1,461,180,970.80, 2,192,136,903.99 and 426,041,851.77 is: 639,169,332.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,180,970.80 : 2,192,136,903.99 = 426,041,851.77 : x
  2. Step 2: Convert to fraction form
    1,461,180,970.80/2,192,136,903.99 = 426,041,851.77/x
  3. Step 3: Cross multiply
    1,461,180,970.80x = 2,192,136,903.99 × 426,041,851.77
  4. Step 4: Simplify right side
    1,461,180,970.80x = 933,942,065,909,254,144
  5. Step 5: Solve for x
    x = 933,942,065,909,254,144/1,461,180,970.80
  6. Step 6: Final answer
    x = 639,169,332.60

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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.