Home / 716,193,509,435.40-988,433,710,762.32-407,619,897,706.56

Finding the Fourth Proportional to 716,193,509,435.40, 988,433,710,762.32 and 407,619,897,706.56

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Solution

The fourth proportional to 716,193,509,435.40, 988,433,710,762.32 and 407,619,897,706.56 is: 562,564,785,581.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,193,509,435.40 : 988,433,710,762.32 = 407,619,897,706.56 : x
  2. Step 2: Convert to fraction form
    716,193,509,435.40/988,433,710,762.32 = 407,619,897,706.56/x
  3. Step 3: Cross multiply
    716,193,509,435.40x = 988,433,710,762.32 × 407,619,897,706.56
  4. Step 4: Simplify right side
    716,193,509,435.40x = 402,905,248,070,652,345,188,352
  5. Step 5: Solve for x
    x = 402,905,248,070,652,345,188,352/716,193,509,435.40
  6. Step 6: Final answer
    x = 562,564,785,581.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.