Home / 932,555,473.61-1,287,039,414.56-530,766,916.65

Finding the Fourth Proportional to 932,555,473.61, 1,287,039,414.56 and 530,766,916.65

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Solution

The fourth proportional to 932,555,473.61, 1,287,039,414.56 and 530,766,916.65 is: 732,522,580.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,555,473.61 : 1,287,039,414.56 = 530,766,916.65 : x
  2. Step 2: Convert to fraction form
    932,555,473.61/1,287,039,414.56 = 530,766,916.65/x
  3. Step 3: Cross multiply
    932,555,473.61x = 1,287,039,414.56 × 530,766,916.65
  4. Step 4: Simplify right side
    932,555,473.61x = 683,117,941,670,378,496
  5. Step 5: Solve for x
    x = 683,117,941,670,378,496/932,555,473.61
  6. Step 6: Final answer
    x = 732,522,580.16

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Double scale
Find fourth proportional to 932,555,474.61, 1,287,039,415.94 and 530,766,917.65
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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.