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Finding the Fourth Proportional to 1,260,574,897, 1,891,117,449.03 and 442,750,970.92

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Solution

The fourth proportional to 1,260,574,897, 1,891,117,449.03 and 442,750,970.92 is: 664,216,056.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,574,897 : 1,891,117,449.03 = 442,750,970.92 : x
  2. Step 2: Convert to fraction form
    1,260,574,897/1,891,117,449.03 = 442,750,970.92/x
  3. Step 3: Cross multiply
    1,260,574,897x = 1,891,117,449.03 × 442,750,970.92
  4. Step 4: Simplify right side
    1,260,574,897x = 837,294,086,679,572,480
  5. Step 5: Solve for x
    x = 837,294,086,679,572,480/1,260,574,897
  6. Step 6: Final answer
    x = 664,216,056.24

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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.