Home / 1,570,039,317.45-2,166,668,587.31-865,216,587.87

Finding the Fourth Proportional to 1,570,039,317.45, 2,166,668,587.31 and 865,216,587.87

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Solution

The fourth proportional to 1,570,039,317.45, 2,166,668,587.31 and 865,216,587.87 is: 1,194,006,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,039,317.45 : 2,166,668,587.31 = 865,216,587.87 : x
  2. Step 2: Convert to fraction form
    1,570,039,317.45/2,166,668,587.31 = 865,216,587.87/x
  3. Step 3: Cross multiply
    1,570,039,317.45x = 2,166,668,587.31 × 865,216,587.87
  4. Step 4: Simplify right side
    1,570,039,317.45x = 1,874,637,602,153,145,088
  5. Step 5: Solve for x
    x = 1,874,637,602,153,145,088/1,570,039,317.45
  6. Step 6: Final answer
    x = 1,194,006,787.80

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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.