Home / 1,127,012,614.47-1,555,279,237.60-625,221,411.11

Finding the Fourth Proportional to 1,127,012,614.47, 1,555,279,237.60 and 625,221,411.11

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Solution

The fourth proportional to 1,127,012,614.47, 1,555,279,237.60 and 625,221,411.11 is: 862,806,562.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,012,614.47 : 1,555,279,237.60 = 625,221,411.11 : x
  2. Step 2: Convert to fraction form
    1,127,012,614.47/1,555,279,237.60 = 625,221,411.11/x
  3. Step 3: Cross multiply
    1,127,012,614.47x = 1,555,279,237.60 × 625,221,411.11
  4. Step 4: Simplify right side
    1,127,012,614.47x = 972,393,879,607,119,872
  5. Step 5: Solve for x
    x = 972,393,879,607,119,872/1,127,012,614.47
  6. Step 6: Final answer
    x = 862,806,562.35

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1.5x scale

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.