Home / 869,077,510.70-1,303,616,266.05-409,912,486.70

Finding the Fourth Proportional to 869,077,510.70, 1,303,616,266.05 and 409,912,486.70

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Solution

The fourth proportional to 869,077,510.70, 1,303,616,266.05 and 409,912,486.70 is: 614,868,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,077,510.70 : 1,303,616,266.05 = 409,912,486.70 : x
  2. Step 2: Convert to fraction form
    869,077,510.70/1,303,616,266.05 = 409,912,486.70/x
  3. Step 3: Cross multiply
    869,077,510.70x = 1,303,616,266.05 × 409,912,486.70
  4. Step 4: Simplify right side
    869,077,510.70x = 534,368,585,319,124,224
  5. Step 5: Solve for x
    x = 534,368,585,319,124,224/869,077,510.70
  6. Step 6: Final answer
    x = 614,868,730.05

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Double scale
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Similar ratio
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1.5x scale

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.