Home / 503,577,030.40-755,365,545.60-298,999,801.60

Finding the Fourth Proportional to 503,577,030.40, 755,365,545.60 and 298,999,801.60

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Solution

The fourth proportional to 503,577,030.40, 755,365,545.60 and 298,999,801.60 is: 448,499,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,577,030.40 : 755,365,545.60 = 298,999,801.60 : x
  2. Step 2: Convert to fraction form
    503,577,030.40/755,365,545.60 = 298,999,801.60/x
  3. Step 3: Cross multiply
    503,577,030.40x = 755,365,545.60 × 298,999,801.60
  4. Step 4: Simplify right side
    503,577,030.40x = 225,854,148,269,875,776
  5. Step 5: Solve for x
    x = 225,854,148,269,875,776/503,577,030.40
  6. Step 6: Final answer
    x = 448,499,702.40

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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.