Home / 1,287,198,862.40-1,931,806,063.20-597,191,614.40

Finding the Fourth Proportional to 1,287,198,862.40, 1,931,806,063.20 and 597,191,614.40

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Solution

The fourth proportional to 1,287,198,862.40, 1,931,806,063.20 and 597,191,614.40 is: 896,254,972.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,198,862.40 : 1,931,806,063.20 = 597,191,614.40 : x
  2. Step 2: Convert to fraction form
    1,287,198,862.40/1,931,806,063.20 = 597,191,614.40/x
  3. Step 3: Cross multiply
    1,287,198,862.40x = 1,931,806,063.20 × 597,191,614.40
  4. Step 4: Simplify right side
    1,287,198,862.40x = 1,153,658,381,590,116,352
  5. Step 5: Solve for x
    x = 1,153,658,381,590,116,352/1,287,198,862.40
  6. Step 6: Final answer
    x = 896,254,972.94

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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.