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Finding the Fourth Proportional to 473,363,999.60, 710,045,999.40 and 358,572,743.60

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Solution

The fourth proportional to 473,363,999.60, 710,045,999.40 and 358,572,743.60 is: 537,859,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,363,999.60 : 710,045,999.40 = 358,572,743.60 : x
  2. Step 2: Convert to fraction form
    473,363,999.60/710,045,999.40 = 358,572,743.60/x
  3. Step 3: Cross multiply
    473,363,999.60x = 710,045,999.40 × 358,572,743.60
  4. Step 4: Simplify right side
    473,363,999.60x = 254,603,142,087,061,952
  5. Step 5: Solve for x
    x = 254,603,142,087,061,952/473,363,999.60
  6. Step 6: Final answer
    x = 537,859,115.40

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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.