Home / 623,756,248.80-934,626,603.60-393,312,933.60

Finding the Fourth Proportional to 623,756,248.80, 934,626,603.60 and 393,312,933.60

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Solution

The fourth proportional to 623,756,248.80, 934,626,603.60 and 393,312,933.60 is: 589,333,945.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,756,248.80 : 934,626,603.60 = 393,312,933.60 : x
  2. Step 2: Convert to fraction form
    623,756,248.80/934,626,603.60 = 393,312,933.60/x
  3. Step 3: Cross multiply
    623,756,248.80x = 934,626,603.60 × 393,312,933.60
  4. Step 4: Simplify right side
    623,756,248.80x = 367,600,731,282,520,384
  5. Step 5: Solve for x
    x = 367,600,731,282,520,384/623,756,248.80
  6. Step 6: Final answer
    x = 589,333,945.74

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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.