Home / 459,663,673.45-689,495,510.18-402,268,045.45

Finding the Fourth Proportional to 459,663,673.45, 689,495,510.18 and 402,268,045.45

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Solution

The fourth proportional to 459,663,673.45, 689,495,510.18 and 402,268,045.45 is: 603,402,068.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,663,673.45 : 689,495,510.18 = 402,268,045.45 : x
  2. Step 2: Convert to fraction form
    459,663,673.45/689,495,510.18 = 402,268,045.45/x
  3. Step 3: Cross multiply
    459,663,673.45x = 689,495,510.18 × 402,268,045.45
  4. Step 4: Simplify right side
    459,663,673.45x = 277,362,011,224,647,808
  5. Step 5: Solve for x
    x = 277,362,011,224,647,808/459,663,673.45
  6. Step 6: Final answer
    x = 603,402,068.18

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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.