Home / 761,521,276.83-1,050,512,599.06-497,357,898.96

Finding the Fourth Proportional to 761,521,276.83, 1,050,512,599.06 and 497,357,898.96

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Solution

The fourth proportional to 761,521,276.83, 1,050,512,599.06 and 497,357,898.96 is: 686,101,301.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,521,276.83 : 1,050,512,599.06 = 497,357,898.96 : x
  2. Step 2: Convert to fraction form
    761,521,276.83/1,050,512,599.06 = 497,357,898.96/x
  3. Step 3: Cross multiply
    761,521,276.83x = 1,050,512,599.06 × 497,357,898.96
  4. Step 4: Simplify right side
    761,521,276.83x = 522,480,739,102,186,496
  5. Step 5: Solve for x
    x = 522,480,739,102,186,496/761,521,276.83
  6. Step 6: Final answer
    x = 686,101,301.43

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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.