Home / 513,942,638,298.60-709,257,849,931.53-282,464,362,429.47

Finding the Fourth Proportional to 513,942,638,298.60, 709,257,849,931.53 and 282,464,362,429.47

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Solution

The fourth proportional to 513,942,638,298.60, 709,257,849,931.53 and 282,464,362,429.47 is: 389,810,168,392.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,942,638,298.60 : 709,257,849,931.53 = 282,464,362,429.47 : x
  2. Step 2: Convert to fraction form
    513,942,638,298.60/709,257,849,931.53 = 282,464,362,429.47/x
  3. Step 3: Cross multiply
    513,942,638,298.60x = 709,257,849,931.53 × 282,464,362,429.47
  4. Step 4: Simplify right side
    513,942,638,298.60x = 200,340,066,379,006,319,001,600
  5. Step 5: Solve for x
    x = 200,340,066,379,006,319,001,600/513,942,638,298.60
  6. Step 6: Final answer
    x = 389,810,168,392.00

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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.