Home / 993,630,892.32-1,371,220,009.70-547,610,569.38

Finding the Fourth Proportional to 993,630,892.32, 1,371,220,009.70 and 547,610,569.38

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Solution

The fourth proportional to 993,630,892.32, 1,371,220,009.70 and 547,610,569.38 is: 755,707,754.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,630,892.32 : 1,371,220,009.70 = 547,610,569.38 : x
  2. Step 2: Convert to fraction form
    993,630,892.32/1,371,220,009.70 = 547,610,569.38/x
  3. Step 3: Cross multiply
    993,630,892.32x = 1,371,220,009.70 × 547,610,569.38
  4. Step 4: Simplify right side
    993,630,892.32x = 750,894,570,254,328,064
  5. Step 5: Solve for x
    x = 750,894,570,254,328,064/993,630,892.32
  6. Step 6: Final answer
    x = 755,707,754.32

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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.