Home / 867,421,431.46-1,301,649,142.61-314,766,973.45

Finding the Fourth Proportional to 867,421,431.46, 1,301,649,142.61 and 314,766,973.45

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Solution

The fourth proportional to 867,421,431.46, 1,301,649,142.61 and 314,766,973.45 is: 472,338,065.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,421,431.46 : 1,301,649,142.61 = 314,766,973.45 : x
  2. Step 2: Convert to fraction form
    867,421,431.46/1,301,649,142.61 = 314,766,973.45/x
  3. Step 3: Cross multiply
    867,421,431.46x = 1,301,649,142.61 × 314,766,973.45
  4. Step 4: Simplify right side
    867,421,431.46x = 409,716,161,113,137,088
  5. Step 5: Solve for x
    x = 409,716,161,113,137,088/867,421,431.46
  6. Step 6: Final answer
    x = 472,338,065.74

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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.