Home / 612,102,707.20-918,154,060.80-588,294,150.40

Finding the Fourth Proportional to 612,102,707.20, 918,154,060.80 and 588,294,150.40

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Solution

The fourth proportional to 612,102,707.20, 918,154,060.80 and 588,294,150.40 is: 882,441,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,102,707.20 : 918,154,060.80 = 588,294,150.40 : x
  2. Step 2: Convert to fraction form
    612,102,707.20/918,154,060.80 = 588,294,150.40/x
  3. Step 3: Cross multiply
    612,102,707.20x = 918,154,060.80 × 588,294,150.40
  4. Step 4: Simplify right side
    612,102,707.20x = 540,144,663,134,645,888
  5. Step 5: Solve for x
    x = 540,144,663,134,645,888/612,102,707.20
  6. Step 6: Final answer
    x = 882,441,225.60

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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.