Home / 1,289,938,714.65-1,780,087,525.15-746,802,563.31

Finding the Fourth Proportional to 1,289,938,714.65, 1,780,087,525.15 and 746,802,563.31

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Solution

The fourth proportional to 1,289,938,714.65, 1,780,087,525.15 and 746,802,563.31 is: 1,030,571,384.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,938,714.65 : 1,780,087,525.15 = 746,802,563.31 : x
  2. Step 2: Convert to fraction form
    1,289,938,714.65/1,780,087,525.15 = 746,802,563.31/x
  3. Step 3: Cross multiply
    1,289,938,714.65x = 1,780,087,525.15 × 746,802,563.31
  4. Step 4: Simplify right side
    1,289,938,714.65x = 1,329,373,926,698,173,952
  5. Step 5: Solve for x
    x = 1,329,373,926,698,173,952/1,289,938,714.65
  6. Step 6: Final answer
    x = 1,030,571,384.21

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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.