Home / 696,961,285.87-1,045,135,145.98-369,360,044.93

Finding the Fourth Proportional to 696,961,285.87, 1,045,135,145.98 and 369,360,044.93

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Solution

The fourth proportional to 696,961,285.87, 1,045,135,145.98 and 369,360,044.93 is: 553,877,485.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,961,285.87 : 1,045,135,145.98 = 369,360,044.93 : x
  2. Step 2: Convert to fraction form
    696,961,285.87/1,045,135,145.98 = 369,360,044.93/x
  3. Step 3: Cross multiply
    696,961,285.87x = 1,045,135,145.98 × 369,360,044.93
  4. Step 4: Simplify right side
    696,961,285.87x = 386,031,164,475,248,128
  5. Step 5: Solve for x
    x = 386,031,164,475,248,128/696,961,285.87
  6. Step 6: Final answer
    x = 553,877,485.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.