Home / 1,072,725,811.80-1,609,088,717.70-927,323,554.20

Finding the Fourth Proportional to 1,072,725,811.80, 1,609,088,717.70 and 927,323,554.20

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Solution

The fourth proportional to 1,072,725,811.80, 1,609,088,717.70 and 927,323,554.20 is: 1,390,985,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,725,811.80 : 1,609,088,717.70 = 927,323,554.20 : x
  2. Step 2: Convert to fraction form
    1,072,725,811.80/1,609,088,717.70 = 927,323,554.20/x
  3. Step 3: Cross multiply
    1,072,725,811.80x = 1,609,088,717.70 × 927,323,554.20
  4. Step 4: Simplify right side
    1,072,725,811.80x = 1,492,145,868,720,684,544
  5. Step 5: Solve for x
    x = 1,492,145,868,720,684,544/1,072,725,811.80
  6. Step 6: Final answer
    x = 1,390,985,331.30

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Double scale
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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.