Home / 898,307,503.65-1,237,898,482.38-686,853,920.43

Finding the Fourth Proportional to 898,307,503.65, 1,237,898,482.38 and 686,853,920.43

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Solution

The fourth proportional to 898,307,503.65, 1,237,898,482.38 and 686,853,920.43 is: 946,508,208.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,307,503.65 : 1,237,898,482.38 = 686,853,920.43 : x
  2. Step 2: Convert to fraction form
    898,307,503.65/1,237,898,482.38 = 686,853,920.43/x
  3. Step 3: Cross multiply
    898,307,503.65x = 1,237,898,482.38 × 686,853,920.43
  4. Step 4: Simplify right side
    898,307,503.65x = 850,255,425,717,050,240
  5. Step 5: Solve for x
    x = 850,255,425,717,050,240/898,307,503.65
  6. Step 6: Final answer
    x = 946,508,208.23

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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.