Home / 388,828,489.53-583,145,657.40-152,526,041.40

Finding the Fourth Proportional to 388,828,489.53, 583,145,657.40 and 152,526,041.40

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Solution

The fourth proportional to 388,828,489.53, 583,145,657.40 and 152,526,041.40 is: 228,750,981.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,828,489.53 : 583,145,657.40 = 152,526,041.40 : x
  2. Step 2: Convert to fraction form
    388,828,489.53/583,145,657.40 = 152,526,041.40/x
  3. Step 3: Cross multiply
    388,828,489.53x = 583,145,657.40 × 152,526,041.40
  4. Step 4: Simplify right side
    388,828,489.53x = 88,944,898,682,822,624
  5. Step 5: Solve for x
    x = 88,944,898,682,822,624/388,828,489.53
  6. Step 6: Final answer
    x = 228,750,981.67

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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.