Home / 941,069,985.48-1,298,669,398.59-517,674,529.85

Finding the Fourth Proportional to 941,069,985.48, 1,298,669,398.59 and 517,674,529.85

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Solution

The fourth proportional to 941,069,985.48, 1,298,669,398.59 and 517,674,529.85 is: 714,386,900.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,069,985.48 : 1,298,669,398.59 = 517,674,529.85 : x
  2. Step 2: Convert to fraction form
    941,069,985.48/1,298,669,398.59 = 517,674,529.85/x
  3. Step 3: Cross multiply
    941,069,985.48x = 1,298,669,398.59 × 517,674,529.85
  4. Step 4: Simplify right side
    941,069,985.48x = 672,288,070,349,157,248
  5. Step 5: Solve for x
    x = 672,288,070,349,157,248/941,069,985.48
  6. Step 6: Final answer
    x = 714,386,900.78

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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.