Home / 475,056,468.20-712,584,702.30-429,139,965.80

Finding the Fourth Proportional to 475,056,468.20, 712,584,702.30 and 429,139,965.80

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Solution

The fourth proportional to 475,056,468.20, 712,584,702.30 and 429,139,965.80 is: 643,709,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,056,468.20 : 712,584,702.30 = 429,139,965.80 : x
  2. Step 2: Convert to fraction form
    475,056,468.20/712,584,702.30 = 429,139,965.80/x
  3. Step 3: Cross multiply
    475,056,468.20x = 712,584,702.30 × 429,139,965.80
  4. Step 4: Simplify right side
    475,056,468.20x = 305,798,574,774,625,152
  5. Step 5: Solve for x
    x = 305,798,574,774,625,152/475,056,468.20
  6. Step 6: Final answer
    x = 643,709,948.70

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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.