Home / 739,217,566.02-1,019,957,153.78-437,653,136.72

Finding the Fourth Proportional to 739,217,566.02, 1,019,957,153.78 and 437,653,136.72

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Solution

The fourth proportional to 739,217,566.02, 1,019,957,153.78 and 437,653,136.72 is: 603,864,772.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,217,566.02 : 1,019,957,153.78 = 437,653,136.72 : x
  2. Step 2: Convert to fraction form
    739,217,566.02/1,019,957,153.78 = 437,653,136.72/x
  3. Step 3: Cross multiply
    739,217,566.02x = 1,019,957,153.78 × 437,653,136.72
  4. Step 4: Simplify right side
    739,217,566.02x = 446,387,447,671,820,416
  5. Step 5: Solve for x
    x = 446,387,447,671,820,416/739,217,566.02
  6. Step 6: Final answer
    x = 603,864,772.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.