Home / 31,872,473,419.60-47,808,710,129.40-9,789,470,117.20

Finding the Fourth Proportional to 31,872,473,419.60, 47,808,710,129.40 and 9,789,470,117.20

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Solution

The fourth proportional to 31,872,473,419.60, 47,808,710,129.40 and 9,789,470,117.20 is: 14,684,205,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872,473,419.60 : 47,808,710,129.40 = 9,789,470,117.20 : x
  2. Step 2: Convert to fraction form
    31,872,473,419.60/47,808,710,129.40 = 9,789,470,117.20/x
  3. Step 3: Cross multiply
    31,872,473,419.60x = 47,808,710,129.40 × 9,789,470,117.20
  4. Step 4: Simplify right side
    31,872,473,419.60x = 468,021,939,153,638,326,272
  5. Step 5: Solve for x
    x = 468,021,939,153,638,326,272/31,872,473,419.60
  6. Step 6: Final answer
    x = 14,684,205,175.80

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Double scale
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1.5x scale

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.