Home / 1,229,349,311.07-1,696,507,160.63-664,834,192.67

Finding the Fourth Proportional to 1,229,349,311.07, 1,696,507,160.63 and 664,834,192.67

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Solution

The fourth proportional to 1,229,349,311.07, 1,696,507,160.63 and 664,834,192.67 is: 917,473,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,349,311.07 : 1,696,507,160.63 = 664,834,192.67 : x
  2. Step 2: Convert to fraction form
    1,229,349,311.07/1,696,507,160.63 = 664,834,192.67/x
  3. Step 3: Cross multiply
    1,229,349,311.07x = 1,696,507,160.63 × 664,834,192.67
  4. Step 4: Simplify right side
    1,229,349,311.07x = 1,127,895,968,484,513,280
  5. Step 5: Solve for x
    x = 1,127,895,968,484,513,280/1,229,349,311.07
  6. Step 6: Final answer
    x = 917,473,950.10

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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.