Home / 877,373,966.77-1,210,906,024.59-555,531,848.48

Finding the Fourth Proportional to 877,373,966.77, 1,210,906,024.59 and 555,531,848.48

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Solution

The fourth proportional to 877,373,966.77, 1,210,906,024.59 and 555,531,848.48 is: 766,716,232.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,373,966.77 : 1,210,906,024.59 = 555,531,848.48 : x
  2. Step 2: Convert to fraction form
    877,373,966.77/1,210,906,024.59 = 555,531,848.48/x
  3. Step 3: Cross multiply
    877,373,966.77x = 1,210,906,024.59 × 555,531,848.48
  4. Step 4: Simplify right side
    877,373,966.77x = 672,696,862,181,189,248
  5. Step 5: Solve for x
    x = 672,696,862,181,189,248/877,373,966.77
  6. Step 6: Final answer
    x = 766,716,232.37

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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.