Home / 710,003,048.40-1,065,004,572.60-514,999,630.80

Finding the Fourth Proportional to 710,003,048.40, 1,065,004,572.60 and 514,999,630.80

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Solution

The fourth proportional to 710,003,048.40, 1,065,004,572.60 and 514,999,630.80 is: 772,499,446.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,003,048.40 : 1,065,004,572.60 = 514,999,630.80 : x
  2. Step 2: Convert to fraction form
    710,003,048.40/1,065,004,572.60 = 514,999,630.80/x
  3. Step 3: Cross multiply
    710,003,048.40x = 1,065,004,572.60 × 514,999,630.80
  4. Step 4: Simplify right side
    710,003,048.40x = 548,476,961,689,311,808
  5. Step 5: Solve for x
    x = 548,476,961,689,311,808/710,003,048.40
  6. Step 6: Final answer
    x = 772,499,446.20

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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.