Home / 1,385,537,724-1,912,026,826.80-750,442,416.93

Finding the Fourth Proportional to 1,385,537,724, 1,912,026,826.80 and 750,442,416.93

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Solution

The fourth proportional to 1,385,537,724, 1,912,026,826.80 and 750,442,416.93 is: 1,035,602,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,537,724 : 1,912,026,826.80 = 750,442,416.93 : x
  2. Step 2: Convert to fraction form
    1,385,537,724/1,912,026,826.80 = 750,442,416.93/x
  3. Step 3: Cross multiply
    1,385,537,724x = 1,912,026,826.80 × 750,442,416.93
  4. Step 4: Simplify right side
    1,385,537,724x = 1,434,866,033,138,790,400
  5. Step 5: Solve for x
    x = 1,434,866,033,138,790,400/1,385,537,724
  6. Step 6: Final answer
    x = 1,035,602,285.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.