Home / 746,417,875.80-1,119,626,813.70-474,991,930.20

Finding the Fourth Proportional to 746,417,875.80, 1,119,626,813.70 and 474,991,930.20

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Solution

The fourth proportional to 746,417,875.80, 1,119,626,813.70 and 474,991,930.20 is: 712,487,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,417,875.80 : 1,119,626,813.70 = 474,991,930.20 : x
  2. Step 2: Convert to fraction form
    746,417,875.80/1,119,626,813.70 = 474,991,930.20/x
  3. Step 3: Cross multiply
    746,417,875.80x = 1,119,626,813.70 × 474,991,930.20
  4. Step 4: Simplify right side
    746,417,875.80x = 531,813,701,343,038,784
  5. Step 5: Solve for x
    x = 531,813,701,343,038,784/746,417,875.80
  6. Step 6: Final answer
    x = 712,487,895.30

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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.