Home / 1,223,960,138.70-1,689,070,711.35-695,353,130.87

Finding the Fourth Proportional to 1,223,960,138.70, 1,689,070,711.35 and 695,353,130.87

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Solution

The fourth proportional to 1,223,960,138.70, 1,689,070,711.35 and 695,353,130.87 is: 959,590,570.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,960,138.70 : 1,689,070,711.35 = 695,353,130.87 : x
  2. Step 2: Convert to fraction form
    1,223,960,138.70/1,689,070,711.35 = 695,353,130.87/x
  3. Step 3: Cross multiply
    1,223,960,138.70x = 1,689,070,711.35 × 695,353,130.87
  4. Step 4: Simplify right side
    1,223,960,138.70x = 1,174,500,607,389,595,136
  5. Step 5: Solve for x
    x = 1,174,500,607,389,595,136/1,223,960,138.70
  6. Step 6: Final answer
    x = 959,590,570.19

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Double scale
Find fourth proportional to 1,223,960,139.70, 1,689,070,712.73 and 695,353,131.87
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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.