Home / 1,570,039,331.95-2,166,668,607.36-865,216,602.37

Finding the Fourth Proportional to 1,570,039,331.95, 2,166,668,607.36 and 865,216,602.37

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Solution

The fourth proportional to 1,570,039,331.95, 2,166,668,607.36 and 865,216,602.37 is: 1,194,006,807.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,039,331.95 : 2,166,668,607.36 = 865,216,602.37 : x
  2. Step 2: Convert to fraction form
    1,570,039,331.95/2,166,668,607.36 = 865,216,602.37/x
  3. Step 3: Cross multiply
    1,570,039,331.95x = 2,166,668,607.36 × 865,216,602.37
  4. Step 4: Simplify right side
    1,570,039,331.95x = 1,874,637,650,921,758,976
  5. Step 5: Solve for x
    x = 1,874,637,650,921,758,976/1,570,039,331.95
  6. Step 6: Final answer
    x = 1,194,006,807.84

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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.