Home / 716,193,509,465.40-988,433,710,803.72-407,619,897,736.56

Finding the Fourth Proportional to 716,193,509,465.40, 988,433,710,803.72 and 407,619,897,736.56

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Solution

The fourth proportional to 716,193,509,465.40, 988,433,710,803.72 and 407,619,897,736.56 is: 562,564,785,623.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,193,509,465.40 : 988,433,710,803.72 = 407,619,897,736.56 : x
  2. Step 2: Convert to fraction form
    716,193,509,465.40/988,433,710,803.72 = 407,619,897,736.56/x
  3. Step 3: Cross multiply
    716,193,509,465.40x = 988,433,710,803.72 × 407,619,897,736.56
  4. Step 4: Simplify right side
    716,193,509,465.40x = 402,905,248,117,180,866,756,608
  5. Step 5: Solve for x
    x = 402,905,248,117,180,866,756,608/716,193,509,465.40
  6. Step 6: Final answer
    x = 562,564,785,623.27

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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.