Home / 1,186,875,133.36-1,637,671,116.28-684,900,789.64

Finding the Fourth Proportional to 1,186,875,133.36, 1,637,671,116.28 and 684,900,789.64

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Solution

The fourth proportional to 1,186,875,133.36, 1,637,671,116.28 and 684,900,789.64 is: 945,038,116.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,875,133.36 : 1,637,671,116.28 = 684,900,789.64 : x
  2. Step 2: Convert to fraction form
    1,186,875,133.36/1,637,671,116.28 = 684,900,789.64/x
  3. Step 3: Cross multiply
    1,186,875,133.36x = 1,637,671,116.28 × 684,900,789.64
  4. Step 4: Simplify right side
    1,186,875,133.36x = 1,121,642,240,710,792,192
  5. Step 5: Solve for x
    x = 1,121,642,240,710,792,192/1,186,875,133.36
  6. Step 6: Final answer
    x = 945,038,116.63

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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.