Home / 910,239,095.38-1,256,133,282.34-492,551,384.98

Finding the Fourth Proportional to 910,239,095.38, 1,256,133,282.34 and 492,551,384.98

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Solution

The fourth proportional to 910,239,095.38, 1,256,133,282.34 and 492,551,384.98 is: 679,722,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,239,095.38 : 1,256,133,282.34 = 492,551,384.98 : x
  2. Step 2: Convert to fraction form
    910,239,095.38/1,256,133,282.34 = 492,551,384.98/x
  3. Step 3: Cross multiply
    910,239,095.38x = 1,256,133,282.34 × 492,551,384.98
  4. Step 4: Simplify right side
    910,239,095.38x = 618,710,187,929,759,744
  5. Step 5: Solve for x
    x = 618,710,187,929,759,744/910,239,095.38
  6. Step 6: Final answer
    x = 679,722,713.60

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Double scale
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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.