Home / 1,385,210,287.46-1,911,592,040.60-750,131,875.24

Finding the Fourth Proportional to 1,385,210,287.46, 1,911,592,040.60 and 750,131,875.24

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Solution

The fourth proportional to 1,385,210,287.46, 1,911,592,040.60 and 750,131,875.24 is: 1,035,182,986.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,210,287.46 : 1,911,592,040.60 = 750,131,875.24 : x
  2. Step 2: Convert to fraction form
    1,385,210,287.46/1,911,592,040.60 = 750,131,875.24/x
  3. Step 3: Cross multiply
    1,385,210,287.46x = 1,911,592,040.60 × 750,131,875.24
  4. Step 4: Simplify right side
    1,385,210,287.46x = 1,433,946,122,106,232,320
  5. Step 5: Solve for x
    x = 1,433,946,122,106,232,320/1,385,210,287.46
  6. Step 6: Final answer
    x = 1,035,182,986.36

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Double scale
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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.