Home / 860,312,155,494.60-1,289,832,046,364.90-520,275,737,643.36

Finding the Fourth Proportional to 860,312,155,494.60, 1,289,832,046,364.90 and 520,275,737,643.36

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Solution

The fourth proportional to 860,312,155,494.60, 1,289,832,046,364.90 and 520,275,737,643.36 is: 780,028,871,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,312,155,494.60 : 1,289,832,046,364.90 = 520,275,737,643.36 : x
  2. Step 2: Convert to fraction form
    860,312,155,494.60/1,289,832,046,364.90 = 520,275,737,643.36/x
  3. Step 3: Cross multiply
    860,312,155,494.60x = 1,289,832,046,364.90 × 520,275,737,643.36
  4. Step 4: Simplify right side
    860,312,155,494.60x = 671,068,319,358,542,808,088,576
  5. Step 5: Solve for x
    x = 671,068,319,358,542,808,088,576/860,312,155,494.60
  6. Step 6: Final answer
    x = 780,028,871,000.60

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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.