Home / 832,456,852.80-1,247,341,586.40-695,400,187.20

Finding the Fourth Proportional to 832,456,852.80, 1,247,341,586.40 and 695,400,187.20

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Solution

The fourth proportional to 832,456,852.80, 1,247,341,586.40 and 695,400,187.20 is: 1,041,977,815.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,456,852.80 : 1,247,341,586.40 = 695,400,187.20 : x
  2. Step 2: Convert to fraction form
    832,456,852.80/1,247,341,586.40 = 695,400,187.20/x
  3. Step 3: Cross multiply
    832,456,852.80x = 1,247,341,586.40 × 695,400,187.20
  4. Step 4: Simplify right side
    832,456,852.80x = 867,401,572,684,905,088
  5. Step 5: Solve for x
    x = 867,401,572,684,905,088/832,456,852.80
  6. Step 6: Final answer
    x = 1,041,977,815.15

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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.