Home / 784,948,075.65-1,083,275,907.75-432,523,639.89

Finding the Fourth Proportional to 784,948,075.65, 1,083,275,907.75 and 432,523,639.89

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Solution

The fourth proportional to 784,948,075.65, 1,083,275,907.75 and 432,523,639.89 is: 596,908,831.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,948,075.65 : 1,083,275,907.75 = 432,523,639.89 : x
  2. Step 2: Convert to fraction form
    784,948,075.65/1,083,275,907.75 = 432,523,639.89/x
  3. Step 3: Cross multiply
    784,948,075.65x = 1,083,275,907.75 × 432,523,639.89
  4. Step 4: Simplify right side
    784,948,075.65x = 468,542,438,625,173,824
  5. Step 5: Solve for x
    x = 468,542,438,625,173,824/784,948,075.65
  6. Step 6: Final answer
    x = 596,908,831.50

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1.5x scale

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.