Home / 1,381,141,946.61-1,905,953,643.05-754,596,921.33

Finding the Fourth Proportional to 1,381,141,946.61, 1,905,953,643.05 and 754,596,921.33

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Solution

The fourth proportional to 1,381,141,946.61, 1,905,953,643.05 and 754,596,921.33 is: 1,041,331,598.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,141,946.61 : 1,905,953,643.05 = 754,596,921.33 : x
  2. Step 2: Convert to fraction form
    1,381,141,946.61/1,905,953,643.05 = 754,596,921.33/x
  3. Step 3: Cross multiply
    1,381,141,946.61x = 1,905,953,643.05 × 754,596,921.33
  4. Step 4: Simplify right side
    1,381,141,946.61x = 1,438,226,751,239,454,976
  5. Step 5: Solve for x
    x = 1,438,226,751,239,454,976/1,381,141,946.61
  6. Step 6: Final answer
    x = 1,041,331,598.66

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Double scale
Find fourth proportional to 1,381,141,947.61, 1,905,953,644.42 and 754,596,922.33
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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.